Merge "Add TRACE_TAG_AIDL to SystemApi for mainline modules"
diff --git a/apct-tests/perftests/core/Android.bp b/apct-tests/perftests/core/Android.bp
index 23464f8..98e4f45 100644
--- a/apct-tests/perftests/core/Android.bp
+++ b/apct-tests/perftests/core/Android.bp
@@ -43,6 +43,9 @@
         "apct-perftests-resources-manager-apps",
         "apct-perftests-utils",
         "collector-device-lib",
+        "compatibility-device-util-axt",
+        "junit",
+        "junit-params",
         "core-tests-support",
         "guava",
     ],
diff --git a/apct-tests/perftests/core/src/android/libcore/DeepArrayOpsPerfTest.java b/apct-tests/perftests/core/src/android/libcore/DeepArrayOpsPerfTest.java
index 3f4f6af..3ebaa4c 100644
--- a/apct-tests/perftests/core/src/android/libcore/DeepArrayOpsPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/DeepArrayOpsPerfTest.java
@@ -20,18 +20,19 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
-import org.junit.Before;
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
 
 import java.lang.reflect.Array;
 import java.lang.reflect.Constructor;
 import java.util.Arrays;
 import java.util.Collection;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class DeepArrayOpsPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
@@ -39,19 +40,14 @@
     private Object[] mArray;
     private Object[] mArray2;
 
-    @Parameterized.Parameter(0)
-    public int mArrayLength;
-
-    @Parameterized.Parameters(name = "mArrayLength({0})")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(new Object[][] {{1}, {4}, {16}, {32}, {2048}});
     }
 
-    @Before
-    public void setUp() throws Exception {
-        mArray = new Object[mArrayLength * 14];
-        mArray2 = new Object[mArrayLength * 14];
-        for (int i = 0; i < mArrayLength; i += 14) {
+    public void setUp(int arrayLength) throws Exception {
+        mArray = new Object[arrayLength * 14];
+        mArray2 = new Object[arrayLength * 14];
+        for (int i = 0; i < arrayLength; i += 14) {
             mArray[i] = new IntWrapper(i);
             mArray2[i] = new IntWrapper(i);
 
@@ -99,7 +95,9 @@
     }
 
     @Test
-    public void deepHashCode() {
+    @Parameters(method = "getData")
+    public void deepHashCode(int arrayLength) throws Exception {
+        setUp(arrayLength);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             Arrays.deepHashCode(mArray);
@@ -107,7 +105,9 @@
     }
 
     @Test
-    public void deepEquals() {
+    @Parameters(method = "getData")
+    public void deepEquals(int arrayLength) throws Exception {
+        setUp(arrayLength);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             Arrays.deepEquals(mArray, mArray2);
diff --git a/apct-tests/perftests/core/src/android/libcore/SystemArrayCopyPerfTest.java b/apct-tests/perftests/core/src/android/libcore/SystemArrayCopyPerfTest.java
index 5aacfc2..20f1309 100644
--- a/apct-tests/perftests/core/src/android/libcore/SystemArrayCopyPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/SystemArrayCopyPerfTest.java
@@ -20,22 +20,22 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.util.Arrays;
 import java.util.Collection;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class SystemArrayCopyPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "arrayLength={0}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {2}, {4}, {8}, {16}, {32}, {64}, {128}, {256}, {512}, {1024}, {2048}, {4096},
@@ -43,12 +43,10 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public int arrayLength;
-
     // Provides benchmarking for different types of arrays using the arraycopy function.
     @Test
-    public void timeSystemCharArrayCopy() {
+    @Parameters(method = "getData")
+    public void timeSystemCharArrayCopy(int arrayLength) {
         final int len = arrayLength;
         char[] src = new char[len];
         char[] dst = new char[len];
@@ -59,7 +57,8 @@
     }
 
     @Test
-    public void timeSystemByteArrayCopy() {
+    @Parameters(method = "getData")
+    public void timeSystemByteArrayCopy(int arrayLength) {
         final int len = arrayLength;
         byte[] src = new byte[len];
         byte[] dst = new byte[len];
@@ -70,7 +69,8 @@
     }
 
     @Test
-    public void timeSystemShortArrayCopy() {
+    @Parameters(method = "getData")
+    public void timeSystemShortArrayCopy(int arrayLength) {
         final int len = arrayLength;
         short[] src = new short[len];
         short[] dst = new short[len];
@@ -81,7 +81,8 @@
     }
 
     @Test
-    public void timeSystemIntArrayCopy() {
+    @Parameters(method = "getData")
+    public void timeSystemIntArrayCopy(int arrayLength) {
         final int len = arrayLength;
         int[] src = new int[len];
         int[] dst = new int[len];
@@ -92,7 +93,8 @@
     }
 
     @Test
-    public void timeSystemLongArrayCopy() {
+    @Parameters(method = "getData")
+    public void timeSystemLongArrayCopy(int arrayLength) {
         final int len = arrayLength;
         long[] src = new long[len];
         long[] dst = new long[len];
@@ -103,7 +105,8 @@
     }
 
     @Test
-    public void timeSystemFloatArrayCopy() {
+    @Parameters(method = "getData")
+    public void timeSystemFloatArrayCopy(int arrayLength) {
         final int len = arrayLength;
         float[] src = new float[len];
         float[] dst = new float[len];
@@ -114,7 +117,8 @@
     }
 
     @Test
-    public void timeSystemDoubleArrayCopy() {
+    @Parameters(method = "getData")
+    public void timeSystemDoubleArrayCopy(int arrayLength) {
         final int len = arrayLength;
         double[] src = new double[len];
         double[] dst = new double[len];
@@ -125,7 +129,8 @@
     }
 
     @Test
-    public void timeSystemBooleanArrayCopy() {
+    @Parameters(method = "getData")
+    public void timeSystemBooleanArrayCopy(int arrayLength) {
         final int len = arrayLength;
         boolean[] src = new boolean[len];
         boolean[] dst = new boolean[len];
diff --git a/apct-tests/perftests/core/src/android/libcore/XmlSerializePerfTest.java b/apct-tests/perftests/core/src/android/libcore/XmlSerializePerfTest.java
index eec0734..b1b594d 100644
--- a/apct-tests/perftests/core/src/android/libcore/XmlSerializePerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/XmlSerializePerfTest.java
@@ -20,42 +20,32 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
-import org.junit.Before;
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 import org.xmlpull.v1.XmlSerializer;
 
 import java.io.CharArrayWriter;
 import java.lang.reflect.Constructor;
-import java.util.Arrays;
-import java.util.Collection;
 import java.util.Random;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class XmlSerializePerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "mDatasetAsString({0}), mSeed({1})")
-    public static Collection<Object[]> data() {
-        return Arrays.asList(
-                new Object[][] {
-                    {"0.99 0.7 0.7 0.7 0.7 0.7", 854328},
-                    {"0.999 0.3 0.3 0.95 0.9 0.9", 854328},
-                    {"0.99 0.7 0.7 0.7 0.7 0.7", 312547},
-                    {"0.999 0.3 0.3 0.95 0.9 0.9", 312547}
-                });
+    private Object[] getParams() {
+        return new Object[][] {
+            new Object[] {"0.99 0.7 0.7 0.7 0.7 0.7", 854328},
+            new Object[] {"0.999 0.3 0.3 0.95 0.9 0.9", 854328},
+            new Object[] {"0.99 0.7 0.7 0.7 0.7 0.7", 312547},
+            new Object[] {"0.999 0.3 0.3 0.95 0.9 0.9", 312547}
+        };
     }
 
-    @Parameterized.Parameter(0)
-    public String mDatasetAsString;
-
-    @Parameterized.Parameter(1)
-    public int mSeed;
-
     double[] mDataset;
     private Constructor<? extends XmlSerializer> mKxmlConstructor;
     private Constructor<? extends XmlSerializer> mFastConstructor;
@@ -100,8 +90,7 @@
     }
 
     @SuppressWarnings("unchecked")
-    @Before
-    public void setUp() throws Exception {
+    public void setUp(String datasetAsString) throws Exception {
         mKxmlConstructor =
                 (Constructor)
                         Class.forName("com.android.org.kxml2.io.KXmlSerializer").getConstructor();
@@ -109,28 +98,32 @@
                 (Constructor)
                         Class.forName("com.android.internal.util.FastXmlSerializer")
                                 .getConstructor();
-        String[] splitStrings = mDatasetAsString.split(" ");
+        String[] splitStrings = datasetAsString.split(" ");
         mDataset = new double[splitStrings.length];
         for (int i = 0; i < splitStrings.length; i++) {
             mDataset[i] = Double.parseDouble(splitStrings[i]);
         }
     }
 
-    private void internalTimeSerializer(Constructor<? extends XmlSerializer> ctor)
+    private void internalTimeSerializer(Constructor<? extends XmlSerializer> ctor, int seed)
             throws Exception {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            serializeRandomXml(ctor, mSeed);
+            serializeRandomXml(ctor, seed);
         }
     }
 
     @Test
-    public void timeKxml() throws Exception {
-        internalTimeSerializer(mKxmlConstructor);
+    @Parameters(method = "getParams")
+    public void timeKxml(String datasetAsString, int seed) throws Exception {
+        setUp(datasetAsString);
+        internalTimeSerializer(mKxmlConstructor, seed);
     }
 
     @Test
-    public void timeFast() throws Exception {
-        internalTimeSerializer(mFastConstructor);
+    @Parameters(method = "getParams")
+    public void timeFast(String datasetAsString, int seed) throws Exception {
+        setUp(datasetAsString);
+        internalTimeSerializer(mFastConstructor, seed);
     }
 }
diff --git a/apct-tests/perftests/core/src/android/libcore/ZipFilePerfTest.java b/apct-tests/perftests/core/src/android/libcore/ZipFilePerfTest.java
index 31c92ba..3a45d40 100644
--- a/apct-tests/perftests/core/src/android/libcore/ZipFilePerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/ZipFilePerfTest.java
@@ -20,12 +20,12 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
-import org.junit.Before;
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -38,23 +38,18 @@
 import java.util.zip.ZipFile;
 import java.util.zip.ZipOutputStream;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class ZipFilePerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
     private File mFile;
 
-    @Parameters(name = "numEntries={0}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(new Object[][] {{128}, {1024}, {8192}});
     }
 
-    @Parameterized.Parameter(0)
-    public int numEntries;
-
-    @Before
-    public void setUp() throws Exception {
+    public void setUp(int numEntries) throws Exception {
         mFile = File.createTempFile(getClass().getName(), ".zip");
         mFile.deleteOnExit();
         writeEntries(new ZipOutputStream(new FileOutputStream(mFile)), numEntries, 0);
@@ -66,7 +61,9 @@
     }
 
     @Test
-    public void timeZipFileOpen() throws Exception {
+    @Parameters(method = "getData")
+    public void timeZipFileOpen(int numEntries) throws Exception {
+        setUp(numEntries);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             ZipFile zf = new ZipFile(mFile);
diff --git a/apct-tests/perftests/core/src/android/libcore/ZipFileReadPerfTest.java b/apct-tests/perftests/core/src/android/libcore/ZipFileReadPerfTest.java
index faa9628..2e89518 100644
--- a/apct-tests/perftests/core/src/android/libcore/ZipFileReadPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/ZipFileReadPerfTest.java
@@ -20,12 +20,13 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -39,21 +40,17 @@
 import java.util.zip.ZipFile;
 import java.util.zip.ZipOutputStream;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class ZipFileReadPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "readBufferSize={0}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(new Object[][] {{1024}, {16384}, {65536}});
     }
 
     private File mFile;
 
-    @Parameterized.Parameter(0)
-    public int readBufferSize;
-
     @Before
     public void setUp() throws Exception {
         mFile = File.createTempFile(getClass().getName(), ".zip");
@@ -90,7 +87,8 @@
     }
 
     @Test
-    public void timeZipFileRead() throws Exception {
+    @Parameters(method = "getData")
+    public void timeZipFileRead(int readBufferSize) throws Exception {
         byte[] readBuffer = new byte[readBufferSize];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/BitSetPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/BitSetPerfTest.java
index db5462c..2c0473e 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/BitSetPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/BitSetPerfTest.java
@@ -20,96 +20,99 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
-import org.junit.Before;
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.util.Arrays;
 import java.util.BitSet;
 import java.util.Collection;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class BitSetPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "mSize={0}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(new Object[][] {{1000}, {10000}});
     }
 
-    @Parameterized.Parameter(0)
-    public int mSize;
-
-    private BitSet mBitSet;
-
-    @Before
-    public void setUp() throws Exception {
-        mBitSet = new BitSet(mSize);
-    }
-
     @Test
-    public void timeIsEmptyTrue() {
+    @Parameters(method = "getData")
+    public void timeIsEmptyTrue(int size) {
+        BitSet bitSet = new BitSet(size);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            if (!mBitSet.isEmpty()) throw new RuntimeException();
+            if (!bitSet.isEmpty()) throw new RuntimeException();
         }
     }
 
     @Test
-    public void timeIsEmptyFalse() {
-        mBitSet.set(mBitSet.size() - 1);
+    @Parameters(method = "getData")
+    public void timeIsEmptyFalse(int size) {
+        BitSet bitSet = new BitSet(size);
+        bitSet.set(bitSet.size() - 1);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            if (mBitSet.isEmpty()) throw new RuntimeException();
+            if (bitSet.isEmpty()) throw new RuntimeException();
         }
     }
 
     @Test
-    public void timeGet() {
+    @Parameters(method = "getData")
+    public void timeGet(int size) {
+        BitSet bitSet = new BitSet(size);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         int i = 1;
         while (state.keepRunning()) {
-            mBitSet.get(++i % mSize);
+            bitSet.get(++i % size);
         }
     }
 
     @Test
-    public void timeClear() {
+    @Parameters(method = "getData")
+    public void timeClear(int size) {
+        BitSet bitSet = new BitSet(size);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         int i = 1;
         while (state.keepRunning()) {
-            mBitSet.clear(++i % mSize);
+            bitSet.clear(++i % size);
         }
     }
 
     @Test
-    public void timeSet() {
+    @Parameters(method = "getData")
+    public void timeSet(int size) {
+        BitSet bitSet = new BitSet(size);
         int i = 1;
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mBitSet.set(++i % mSize);
+            bitSet.set(++i % size);
         }
     }
 
     @Test
-    public void timeSetOn() {
+    @Parameters(method = "getData")
+    public void timeSetOn(int size) {
+        BitSet bitSet = new BitSet(size);
         int i = 1;
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mBitSet.set(++i % mSize, true);
+            bitSet.set(++i % size, true);
         }
     }
 
     @Test
-    public void timeSetOff() {
+    @Parameters(method = "getData")
+    public void timeSetOff(int size) {
+        BitSet bitSet = new BitSet(size);
         int i = 1;
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mBitSet.set(++i % mSize, false);
+            bitSet.set(++i % size, false);
         }
     }
 }
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/BreakIteratorPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/BreakIteratorPerfTest.java
index 3952c12..6a2ce58 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/BreakIteratorPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/BreakIteratorPerfTest.java
@@ -20,18 +20,19 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.text.BreakIterator;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Locale;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public final class BreakIteratorPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
@@ -41,36 +42,37 @@
                 Locale.US,
                 "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Morbi mollis consequat"
                     + " nisl non pharetra. Praesent pretium vehicula odio sed ultrices. Aenean a"
-                    + " felis libero. Vivamus sed commodo nibh. Pellentesque turpis lectus, euismod"
-                    + " vel ante nec, cursus posuere orci. Suspendisse velit neque, fermentum"
-                    + " luctus ultrices in, ultrices vitae arcu. Duis tincidunt cursus lorem. Nam"
-                    + " ultricies accumsan quam vitae imperdiet. Pellentesque habitant morbi"
-                    + " tristique senectus et netus et malesuada fames ac turpis egestas. Quisque"
-                    + " aliquet pretium nisi, eget laoreet enim molestie sit amet. Class aptent"
-                    + " taciti sociosqu ad litora torquent per conubia nostra, per inceptos"
+                    + " felis libero. Vivamus sed commodo nibh. Pellentesque turpis lectus,"
+                    + " euismod vel ante nec, cursus posuere orci. Suspendisse velit neque,"
+                    + " fermentum luctus ultrices in, ultrices vitae arcu. Duis tincidunt cursus"
+                    + " lorem. Nam ultricies accumsan quam vitae imperdiet. Pellentesque habitant"
+                    + " morbi tristique senectus et netus et malesuada fames ac turpis egestas."
+                    + " Quisque aliquet pretium nisi, eget laoreet enim molestie sit amet. Class"
+                    + " aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos"
                     + " himenaeos.\n"
                     + "Nam dapibus aliquam lacus ac suscipit. Proin in nibh sit amet purus congue"
                     + " laoreet eget quis nisl. Morbi gravida dignissim justo, a venenatis ante"
-                    + " pulvinar at. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin"
-                    + " ultrices vestibulum dui, vel aliquam lacus aliquam quis. Duis fringilla"
-                    + " sapien ac lacus egestas, vel adipiscing elit euismod. Donec non tellus"
-                    + " odio. Donec gravida eu massa ac feugiat. Aliquam erat volutpat. Praesent id"
-                    + " adipiscing metus, nec laoreet enim. Aliquam vitae posuere turpis. Mauris ac"
-                    + " pharetra sem. In at placerat tortor. Vivamus ac vehicula neque. Cras"
-                    + " volutpat ullamcorper massa et varius. Praesent sagittis neque vitae nulla"
-                    + " euismod pharetra.\n"
+                    + " pulvinar at. Lorem ipsum dolor sit amet, consectetur adipiscing elit."
+                    + " Proin ultrices vestibulum dui, vel aliquam lacus aliquam quis. Duis"
+                    + " fringilla sapien ac lacus egestas, vel adipiscing elit euismod. Donec non"
+                    + " tellus odio. Donec gravida eu massa ac feugiat. Aliquam erat volutpat."
+                    + " Praesent id adipiscing metus, nec laoreet enim. Aliquam vitae posuere"
+                    + " turpis. Mauris ac pharetra sem. In at placerat tortor. Vivamus ac vehicula"
+                    + " neque. Cras volutpat ullamcorper massa et varius. Praesent sagittis neque"
+                    + " vitae nulla euismod pharetra.\n"
                     + "Sed placerat sapien non molestie sollicitudin. Nullam sit amet dictum quam."
                     + " Etiam tincidunt tortor vel pretium vehicula. Praesent fringilla ipsum vel"
                     + " velit luctus dignissim. Nulla massa ligula, mattis in enim et, mattis"
                     + " lacinia odio. Suspendisse tristique urna a orci commodo tempor. Duis"
                     + " lacinia egestas arcu a sollicitudin.\n"
                     + "In ac feugiat lacus. Nunc fermentum eu est at tristique. Pellentesque quis"
-                    + " ligula et orci placerat lacinia. Maecenas quis mauris diam. Etiam mi ipsum,"
-                    + " tempus in purus quis, euismod faucibus orci. Nulla facilisi. Praesent sit"
-                    + " amet sapien vel elit porta adipiscing. Phasellus sit amet volutpat diam.\n"
-                    + "Proin bibendum elit non lacus pharetra, quis eleifend tellus placerat. Nulla"
-                    + " facilisi. Maecenas ante diam, pellentesque mattis mattis in, porta ut"
-                    + " lorem. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices"
+                    + " ligula et orci placerat lacinia. Maecenas quis mauris diam. Etiam mi"
+                    + " ipsum, tempus in purus quis, euismod faucibus orci. Nulla facilisi."
+                    + " Praesent sit amet sapien vel elit porta adipiscing. Phasellus sit amet"
+                    + " volutpat diam.\n"
+                    + "Proin bibendum elit non lacus pharetra, quis eleifend tellus placerat."
+                    + " Nulla facilisi. Maecenas ante diam, pellentesque mattis mattis in, porta"
+                    + " ut lorem. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices"
                     + " posuere cubilia Curae; Nunc interdum tristique metus, in scelerisque odio"
                     + " fermentum eget. Cras nec venenatis lacus. Aenean euismod eget metus quis"
                     + " molestie. Cras tincidunt dolor ut massa ornare, in elementum lacus auctor."
@@ -80,29 +82,29 @@
         LONGPARA(
                 Locale.US,
                 "During dinner, Mr. Bennet scarcely spoke at all; but when the servants were"
-                    + " withdrawn, he thought it time to have some conversation with his guest, and"
-                    + " therefore started a subject in which he expected him to shine, by observing"
-                    + " that he seemed very fortunate in his patroness. Lady Catherine de Bourgh's"
-                    + " attention to his wishes, and consideration for his comfort, appeared very"
-                    + " remarkable. Mr. Bennet could not have chosen better. Mr. Collins was"
-                    + " eloquent in her praise. The subject elevated him to more than usual"
-                    + " solemnity of manner, and with a most important aspect he protested that"
-                    + " \"he had never in his life witnessed such behaviour in a person of"
-                    + " rank--such affability and condescension, as he had himself experienced from"
-                    + " Lady Catherine. She had been graciously pleased to approve of both of the"
-                    + " discourses which he had already had the honour of preaching before her. She"
-                    + " had also asked him twice to dine at Rosings, and had sent for him only the"
-                    + " Saturday before, to make up her pool of quadrille in the evening. Lady"
-                    + " Catherine was reckoned proud by many people he knew, but _he_ had never"
-                    + " seen anything but affability in her. She had always spoken to him as she"
-                    + " would to any other gentleman; she made not the smallest objection to his"
-                    + " joining in the society of the neighbourhood nor to his leaving the parish"
-                    + " occasionally for a week or two, to visit his relations. She had even"
-                    + " condescended to advise him to marry as soon as he could, provided he chose"
-                    + " with discretion; and had once paid him a visit in his humble parsonage,"
-                    + " where she had perfectly approved all the alterations he had been making,"
-                    + " and had even vouchsafed to suggest some herself--some shelves in the closet"
-                    + " up stairs.\""),
+                    + " withdrawn, he thought it time to have some conversation with his guest,"
+                    + " and therefore started a subject in which he expected him to shine, by"
+                    + " observing that he seemed very fortunate in his patroness. Lady Catherine"
+                    + " de Bourgh's attention to his wishes, and consideration for his comfort,"
+                    + " appeared very remarkable. Mr. Bennet could not have chosen better. Mr."
+                    + " Collins was eloquent in her praise. The subject elevated him to more than"
+                    + " usual solemnity of manner, and with a most important aspect he protested"
+                    + " that \"he had never in his life witnessed such behaviour in a person of"
+                    + " rank--such affability and condescension, as he had himself experienced"
+                    + " from Lady Catherine. She had been graciously pleased to approve of both of"
+                    + " the discourses which he had already had the honour of preaching before"
+                    + " her. She had also asked him twice to dine at Rosings, and had sent for him"
+                    + " only the Saturday before, to make up her pool of quadrille in the evening."
+                    + " Lady Catherine was reckoned proud by many people he knew, but _he_ had"
+                    + " never seen anything but affability in her. She had always spoken to him as"
+                    + " she would to any other gentleman; she made not the smallest objection to"
+                    + " his joining in the society of the neighbourhood nor to his leaving the"
+                    + " parish occasionally for a week or two, to visit his relations. She had"
+                    + " even condescended to advise him to marry as soon as he could, provided he"
+                    + " chose with discretion; and had once paid him a visit in his humble"
+                    + " parsonage, where she had perfectly approved all the alterations he had"
+                    + " been making, and had even vouchsafed to suggest some herself--some shelves"
+                    + " in the closet up stairs.\""),
         GERMAN(
                 Locale.GERMANY,
                 "Aber dieser Freiheit setzte endlich der Winter ein Ziel. Draußen auf den Feldern"
@@ -119,15 +121,14 @@
                     + " เดิมทีเป็นการผสมผสานกันระหว่างสำเนียงอยุธยาและชาวไทยเชื้อสายจีนรุ่นหลังที่"
                     + "พูดไทยแทนกลุ่มภาษาจีน"
                     + " ลักษณะเด่นคือมีการออกเสียงที่ชัดเจนและแข็งกระด้างซึ่งได้รับอิทธิพลจากภาษาแต"
-                    + "้จิ๋ว"
-                    + " การออกเสียงพยัญชนะ สระ การผันวรรณยุกต์ที่ในภาษาไทยมาตรฐาน"
+                    + "้จิ๋ว การออกเสียงพยัญชนะ สระ การผันวรรณยุกต์ที่ในภาษาไทยมาตรฐาน"
                     + " มาจากสำเนียงถิ่นนี้ในขณะที่ภาษาไทยสำเนียงอื่นล้วนเหน่อทั้งสิ้น"
                     + " คำศัพท์ที่ใช้ในสำเนียงกรุงเทพจำนวนมากได้รับมาจากกลุ่มภาษาจีนเช่นคำว่า โป๊,"
                     + " เฮ็ง, อาหมวย, อาซิ่ม ซึ่งมาจากภาษาแต้จิ๋ว และจากภาษาจีนเช่น ถู(涂), ชิ่ว(去"
                     + " อ่านว่า\"ชู่\") และคำว่า ทาย(猜 อ่านว่า \"ชาย\") เป็นต้น"
                     + " เนื่องจากสำเนียงกรุงเทพได้รับอิทธิพลมาจากภาษาจีนดังนั้นตัวอักษร \"ร\""
-                    + " มักออกเสียงเหมารวมเป็น \"ล\" หรือคำควบกล่ำบางคำถูกละทิ้งไปด้วยเช่น รู้ เป็น"
-                    + " ลู้, เรื่อง เป็น เลื่อง หรือ ประเทศ เป็น ปะเทศ"
+                    + " มักออกเสียงเหมารวมเป็น \"ล\" หรือคำควบกล่ำบางคำถูกละทิ้งไปด้วยเช่น รู้"
+                    + " เป็น ลู้, เรื่อง เป็น เลื่อง หรือ ประเทศ เป็น ปะเทศ"
                     + " เป็นต้นสร้างความลำบากให้แก่ต่างชาติที่ต้องการเรียนภาษาไทย"
                     + " แต่อย่างไรก็ตามผู้ที่พูดสำเนียงถิ่นนี้ก็สามารถออกอักขระภาษาไทยตามมาตรฐานได"
                     + "้อย่างถูกต้องเพียงแต่มักเผลอไม่ค่อยออกเสียง"),
@@ -151,8 +152,7 @@
         }
     }
 
-    @Parameters(name = "mText={0}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {Text.ACCENT}, {Text.BIDI}, {Text.EMOJI}, {Text.EMPTY}, {Text.GERMAN},
@@ -161,15 +161,13 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public Text mText;
-
     @Test
-    public void timeBreakIterator() {
+    @Parameters(method = "getData")
+    public void timeBreakIterator(Text text) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            BreakIterator it = BreakIterator.getLineInstance(mText.mLocale);
-            it.setText(mText.mText);
+            BreakIterator it = BreakIterator.getLineInstance(text.mLocale);
+            it.setText(text.mText);
 
             while (it.next() != BreakIterator.DONE) {
                 // Keep iterating
@@ -178,12 +176,13 @@
     }
 
     @Test
-    public void timeIcuBreakIterator() {
+    @Parameters(method = "getData")
+    public void timeIcuBreakIterator(Text text) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             android.icu.text.BreakIterator it =
-                    android.icu.text.BreakIterator.getLineInstance(mText.mLocale);
-            it.setText(mText.mText);
+                    android.icu.text.BreakIterator.getLineInstance(text.mLocale);
+            it.setText(text.mText);
 
             while (it.next() != android.icu.text.BreakIterator.DONE) {
                 // Keep iterating
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/BulkPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/BulkPerfTest.java
index 855bb9a..b7b7e83 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/BulkPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/BulkPerfTest.java
@@ -20,11 +20,12 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.io.File;
 import java.io.IOException;
@@ -34,13 +35,12 @@
 import java.util.Arrays;
 import java.util.Collection;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class BulkPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "mAlign({0}), mSBuf({1}), mDBuf({2}), mSize({3})")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {true, MyBufferType.DIRECT, MyBufferType.DIRECT, 4096},
@@ -82,24 +82,12 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public boolean mAlign;
-
     enum MyBufferType {
         DIRECT,
         HEAP,
         MAPPED
     }
 
-    @Parameterized.Parameter(1)
-    public MyBufferType mSBuf;
-
-    @Parameterized.Parameter(2)
-    public MyBufferType mDBuf;
-
-    @Parameterized.Parameter(3)
-    public int mSize;
-
     public static ByteBuffer newBuffer(boolean aligned, MyBufferType bufferType, int bsize)
             throws IOException {
         int size = aligned ? bsize : bsize + 8 + 1;
@@ -126,13 +114,15 @@
     }
 
     @Test
-    public void timePut() throws Exception {
-        ByteBuffer src = BulkPerfTest.newBuffer(mAlign, mSBuf, mSize);
-        ByteBuffer data = BulkPerfTest.newBuffer(mAlign, mDBuf, mSize);
+    @Parameters(method = "getData")
+    public void timePut(boolean align, MyBufferType sBuf, MyBufferType dBuf, int size)
+            throws Exception {
+        ByteBuffer src = BulkPerfTest.newBuffer(align, sBuf, size);
+        ByteBuffer data = BulkPerfTest.newBuffer(align, dBuf, size);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAlign ? 0 : 1);
-            data.position(mAlign ? 0 : 1);
+            src.position(align ? 0 : 1);
+            data.position(align ? 0 : 1);
             src.put(data);
         }
     }
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/ByteBufferPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/ByteBufferPerfTest.java
index 4bd7c4e..9ac36d0 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/ByteBufferPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/ByteBufferPerfTest.java
@@ -20,11 +20,12 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.io.File;
 import java.io.IOException;
@@ -41,7 +42,7 @@
 import java.util.Arrays;
 import java.util.Collection;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class ByteBufferPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
@@ -49,15 +50,14 @@
     public enum MyByteOrder {
         BIG(ByteOrder.BIG_ENDIAN),
         LITTLE(ByteOrder.LITTLE_ENDIAN);
-        final ByteOrder mByteOrder;
+        final ByteOrder byteOrder;
 
-        MyByteOrder(ByteOrder mByteOrder) {
-            this.mByteOrder = mByteOrder;
+        MyByteOrder(ByteOrder byteOrder) {
+            this.byteOrder = byteOrder;
         }
     }
 
-    @Parameters(name = "mByteOrder={0}, mAligned={1}, mBufferType={2}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {MyByteOrder.BIG, true, MyBufferType.DIRECT},
@@ -75,21 +75,12 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public MyByteOrder mByteOrder;
-
-    @Parameterized.Parameter(1)
-    public boolean mAligned;
-
     enum MyBufferType {
         DIRECT,
         HEAP,
         MAPPED;
     }
 
-    @Parameterized.Parameter(2)
-    public MyBufferType mBufferType;
-
     public static ByteBuffer newBuffer(
             MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws IOException {
         int size = aligned ? 8192 : 8192 + 8 + 1;
@@ -115,7 +106,7 @@
                 result = fc.map(FileChannel.MapMode.READ_WRITE, 0, fc.size());
                 break;
         }
-        result.order(byteOrder.mByteOrder);
+        result.order(byteOrder.byteOrder);
         result.position(aligned ? 0 : 1);
         return result;
     }
@@ -125,11 +116,13 @@
     //
 
     @Test
-    public void timeByteBuffer_getByte() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_getByte(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             for (int i = 0; i < 1024; ++i) {
                 src.get();
             }
@@ -137,24 +130,28 @@
     }
 
     @Test
-    public void timeByteBuffer_getByteArray() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_getByteArray(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         byte[] dst = new byte[1024];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             for (int i = 0; i < 1024; ++i) {
-                src.position(mAligned ? 0 : 1);
+                src.position(aligned ? 0 : 1);
                 src.get(dst);
             }
         }
     }
 
     @Test
-    public void timeByteBuffer_getByte_indexed() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_getByte_indexed(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             for (int i = 0; i < 1024; ++i) {
                 src.get(i);
             }
@@ -162,11 +159,13 @@
     }
 
     @Test
-    public void timeByteBuffer_getChar() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_getChar(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             for (int i = 0; i < 1024; ++i) {
                 src.getChar();
             }
@@ -174,9 +173,11 @@
     }
 
     @Test
-    public void timeCharBuffer_getCharArray() throws Exception {
+    @Parameters(method = "getData")
+    public void timeCharBuffer_getCharArray(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
         CharBuffer src =
-                ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType).asCharBuffer();
+                ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType).asCharBuffer();
         char[] dst = new char[1024];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -188,11 +189,13 @@
     }
 
     @Test
-    public void timeByteBuffer_getChar_indexed() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_getChar_indexed(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             for (int i = 0; i < 1024; ++i) {
                 src.getChar(i * 2);
             }
@@ -200,11 +203,13 @@
     }
 
     @Test
-    public void timeByteBuffer_getDouble() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_getDouble(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             for (int i = 0; i < 1024; ++i) {
                 src.getDouble();
             }
@@ -212,9 +217,11 @@
     }
 
     @Test
-    public void timeDoubleBuffer_getDoubleArray() throws Exception {
+    @Parameters(method = "getData")
+    public void timeDoubleBuffer_getDoubleArray(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
         DoubleBuffer src =
-                ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType).asDoubleBuffer();
+                ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType).asDoubleBuffer();
         double[] dst = new double[1024];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -226,11 +233,13 @@
     }
 
     @Test
-    public void timeByteBuffer_getFloat() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_getFloat(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             for (int i = 0; i < 1024; ++i) {
                 src.getFloat();
             }
@@ -238,9 +247,11 @@
     }
 
     @Test
-    public void timeFloatBuffer_getFloatArray() throws Exception {
+    @Parameters(method = "getData")
+    public void timeFloatBuffer_getFloatArray(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
         FloatBuffer src =
-                ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType).asFloatBuffer();
+                ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType).asFloatBuffer();
         float[] dst = new float[1024];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -252,11 +263,13 @@
     }
 
     @Test
-    public void timeByteBuffer_getInt() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_getInt(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             for (int i = 0; i < 1024; ++i) {
                 src.getInt();
             }
@@ -264,9 +277,10 @@
     }
 
     @Test
-    public void timeIntBuffer_getIntArray() throws Exception {
-        IntBuffer src =
-                ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType).asIntBuffer();
+    @Parameters(method = "getData")
+    public void timeIntBuffer_getIntArray(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        IntBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType).asIntBuffer();
         int[] dst = new int[1024];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -278,11 +292,13 @@
     }
 
     @Test
-    public void timeByteBuffer_getLong() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_getLong(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             for (int i = 0; i < 1024; ++i) {
                 src.getLong();
             }
@@ -290,9 +306,11 @@
     }
 
     @Test
-    public void timeLongBuffer_getLongArray() throws Exception {
+    @Parameters(method = "getData")
+    public void timeLongBuffer_getLongArray(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
         LongBuffer src =
-                ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType).asLongBuffer();
+                ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType).asLongBuffer();
         long[] dst = new long[1024];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -304,11 +322,13 @@
     }
 
     @Test
-    public void timeByteBuffer_getShort() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_getShort(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             for (int i = 0; i < 1024; ++i) {
                 src.getShort();
             }
@@ -316,9 +336,11 @@
     }
 
     @Test
-    public void timeShortBuffer_getShortArray() throws Exception {
+    @Parameters(method = "getData")
+    public void timeShortBuffer_getShortArray(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
         ShortBuffer src =
-                ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType).asShortBuffer();
+                ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType).asShortBuffer();
         short[] dst = new short[1024];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -334,8 +356,10 @@
     //
 
     @Test
-    public void timeByteBuffer_putByte() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_putByte(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             src.position(0);
@@ -346,24 +370,28 @@
     }
 
     @Test
-    public void timeByteBuffer_putByteArray() throws Exception {
-        ByteBuffer dst = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_putByteArray(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer dst = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         byte[] src = new byte[1024];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             for (int i = 0; i < 1024; ++i) {
-                dst.position(mAligned ? 0 : 1);
+                dst.position(aligned ? 0 : 1);
                 dst.put(src);
             }
         }
     }
 
     @Test
-    public void timeByteBuffer_putChar() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_putChar(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             for (int i = 0; i < 1024; ++i) {
                 src.putChar(' ');
             }
@@ -371,9 +399,11 @@
     }
 
     @Test
-    public void timeCharBuffer_putCharArray() throws Exception {
+    @Parameters(method = "getData")
+    public void timeCharBuffer_putCharArray(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
         CharBuffer dst =
-                ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType).asCharBuffer();
+                ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType).asCharBuffer();
         char[] src = new char[1024];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -385,11 +415,13 @@
     }
 
     @Test
-    public void timeByteBuffer_putDouble() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_putDouble(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             for (int i = 0; i < 1024; ++i) {
                 src.putDouble(0.0);
             }
@@ -397,9 +429,11 @@
     }
 
     @Test
-    public void timeDoubleBuffer_putDoubleArray() throws Exception {
+    @Parameters(method = "getData")
+    public void timeDoubleBuffer_putDoubleArray(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
         DoubleBuffer dst =
-                ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType).asDoubleBuffer();
+                ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType).asDoubleBuffer();
         double[] src = new double[1024];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -411,11 +445,13 @@
     }
 
     @Test
-    public void timeByteBuffer_putFloat() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_putFloat(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             for (int i = 0; i < 1024; ++i) {
                 src.putFloat(0.0f);
             }
@@ -423,9 +459,11 @@
     }
 
     @Test
-    public void timeFloatBuffer_putFloatArray() throws Exception {
+    @Parameters(method = "getData")
+    public void timeFloatBuffer_putFloatArray(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
         FloatBuffer dst =
-                ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType).asFloatBuffer();
+                ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType).asFloatBuffer();
         float[] src = new float[1024];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -437,11 +475,13 @@
     }
 
     @Test
-    public void timeByteBuffer_putInt() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_putInt(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             for (int i = 0; i < 1024; ++i) {
                 src.putInt(0);
             }
@@ -449,9 +489,10 @@
     }
 
     @Test
-    public void timeIntBuffer_putIntArray() throws Exception {
-        IntBuffer dst =
-                ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType).asIntBuffer();
+    @Parameters(method = "getData")
+    public void timeIntBuffer_putIntArray(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        IntBuffer dst = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType).asIntBuffer();
         int[] src = new int[1024];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -463,11 +504,13 @@
     }
 
     @Test
-    public void timeByteBuffer_putLong() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_putLong(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             for (int i = 0; i < 1024; ++i) {
                 src.putLong(0L);
             }
@@ -475,9 +518,11 @@
     }
 
     @Test
-    public void timeLongBuffer_putLongArray() throws Exception {
+    @Parameters(method = "getData")
+    public void timeLongBuffer_putLongArray(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
         LongBuffer dst =
-                ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType).asLongBuffer();
+                ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType).asLongBuffer();
         long[] src = new long[1024];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -489,11 +534,13 @@
     }
 
     @Test
-    public void timeByteBuffer_putShort() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeByteBuffer_putShort(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             for (int i = 0; i < 1024; ++i) {
                 src.putShort((short) 0);
             }
@@ -501,9 +548,11 @@
     }
 
     @Test
-    public void timeShortBuffer_putShortArray() throws Exception {
+    @Parameters(method = "getData")
+    public void timeShortBuffer_putShortArray(
+            MyByteOrder byteOrder, boolean aligned, MyBufferType bufferType) throws Exception {
         ShortBuffer dst =
-                ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType).asShortBuffer();
+                ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType).asShortBuffer();
         short[] src = new short[1024];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -515,6 +564,7 @@
     }
 
     @Test
+    @Parameters(method = "getData")
     public void time_new_byteArray() throws Exception {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -523,6 +573,7 @@
     }
 
     @Test
+    @Parameters(method = "getData")
     public void time_ByteBuffer_allocate() throws Exception {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/ByteBufferScalarVersusVectorPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/ByteBufferScalarVersusVectorPerfTest.java
index 81f9e59..5dd9d6e 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/ByteBufferScalarVersusVectorPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/ByteBufferScalarVersusVectorPerfTest.java
@@ -20,23 +20,23 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.nio.ByteBuffer;
 import java.util.Arrays;
 import java.util.Collection;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class ByteBufferScalarVersusVectorPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "mByteOrder={0}, mAligned={1}, mBufferType={2}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {
@@ -102,19 +102,15 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public ByteBufferPerfTest.MyByteOrder mByteOrder;
-
-    @Parameterized.Parameter(1)
-    public boolean mAligned;
-
-    @Parameterized.Parameter(2)
-    public ByteBufferPerfTest.MyBufferType mBufferType;
-
     @Test
-    public void timeManualByteBufferCopy() throws Exception {
-        ByteBuffer src = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
-        ByteBuffer dst = ByteBufferPerfTest.newBuffer(mByteOrder, mAligned, mBufferType);
+    @Parameters(method = "getData")
+    public void timeManualByteBufferCopy(
+            ByteBufferPerfTest.MyByteOrder byteOrder,
+            boolean aligned,
+            ByteBufferPerfTest.MyBufferType bufferType)
+            throws Exception {
+        ByteBuffer src = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
+        ByteBuffer dst = ByteBufferPerfTest.newBuffer(byteOrder, aligned, bufferType);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             src.position(0);
@@ -126,23 +122,25 @@
     }
 
     @Test
-    public void timeByteBufferBulkGet() throws Exception {
-        ByteBuffer src = ByteBuffer.allocate(mAligned ? 8192 : 8192 + 1);
+    @Parameters({"true", "false"})
+    public void timeByteBufferBulkGet(boolean aligned) throws Exception {
+        ByteBuffer src = ByteBuffer.allocate(aligned ? 8192 : 8192 + 1);
         byte[] dst = new byte[8192];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             src.get(dst, 0, dst.length);
         }
     }
 
     @Test
-    public void timeDirectByteBufferBulkGet() throws Exception {
-        ByteBuffer src = ByteBuffer.allocateDirect(mAligned ? 8192 : 8192 + 1);
+    @Parameters({"true", "false"})
+    public void timeDirectByteBufferBulkGet(boolean aligned) throws Exception {
+        ByteBuffer src = ByteBuffer.allocateDirect(aligned ? 8192 : 8192 + 1);
         byte[] dst = new byte[8192];
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            src.position(mAligned ? 0 : 1);
+            src.position(aligned ? 0 : 1);
             src.get(dst, 0, dst.length);
         }
     }
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/CharacterPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/CharacterPerfTest.java
index 28ec6de..0a59899 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/CharacterPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/CharacterPerfTest.java
@@ -20,12 +20,12 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
-import org.junit.Before;
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.util.Arrays;
 import java.util.Collection;
@@ -34,13 +34,12 @@
  * Tests various Character methods, intended for testing multiple implementations against each
  * other.
  */
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class CharacterPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "mCharacterSet({0}), mOverload({1})")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {CharacterSet.ASCII, Overload.CHAR},
@@ -50,17 +49,10 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public CharacterSet mCharacterSet;
-
-    @Parameterized.Parameter(1)
-    public Overload mOverload;
-
     private char[] mChars;
 
-    @Before
-    public void setUp() throws Exception {
-        this.mChars = mCharacterSet.mChars;
+    public void setUp(CharacterSet characterSet) {
+        this.mChars = characterSet.mChars;
     }
 
     public enum Overload {
@@ -87,10 +79,12 @@
 
     // A fake benchmark to give us a baseline.
     @Test
-    public void timeIsSpace() {
+    @Parameters(method = "getData")
+    public void timeIsSpace(CharacterSet characterSet, Overload overload) {
+        setUp(characterSet);
         boolean fake = false;
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        if (mOverload == Overload.CHAR) {
+        if (overload == Overload.CHAR) {
             while (state.keepRunning()) {
                 for (int ch = 0; ch < 65536; ++ch) {
                     fake ^= ((char) ch == ' ');
@@ -106,9 +100,11 @@
     }
 
     @Test
-    public void timeDigit() {
+    @Parameters(method = "getData")
+    public void timeDigit(CharacterSet characterSet, Overload overload) {
+        setUp(characterSet);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        if (mOverload == Overload.CHAR) {
+        if (overload == Overload.CHAR) {
             while (state.keepRunning()) {
                 for (int ch = 0; ch < 65536; ++ch) {
                     Character.digit(mChars[ch], 10);
@@ -124,9 +120,11 @@
     }
 
     @Test
-    public void timeGetNumericValue() {
+    @Parameters(method = "getData")
+    public void timeGetNumericValue(CharacterSet characterSet, Overload overload) {
+        setUp(characterSet);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        if (mOverload == Overload.CHAR) {
+        if (overload == Overload.CHAR) {
             while (state.keepRunning()) {
                 for (int ch = 0; ch < 65536; ++ch) {
                     Character.getNumericValue(mChars[ch]);
@@ -142,9 +140,11 @@
     }
 
     @Test
-    public void timeIsDigit() {
+    @Parameters(method = "getData")
+    public void timeIsDigit(CharacterSet characterSet, Overload overload) {
+        setUp(characterSet);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        if (mOverload == Overload.CHAR) {
+        if (overload == Overload.CHAR) {
             while (state.keepRunning()) {
                 for (int ch = 0; ch < 65536; ++ch) {
                     Character.isDigit(mChars[ch]);
@@ -160,9 +160,11 @@
     }
 
     @Test
-    public void timeIsIdentifierIgnorable() {
+    @Parameters(method = "getData")
+    public void timeIsIdentifierIgnorable(CharacterSet characterSet, Overload overload) {
+        setUp(characterSet);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        if (mOverload == Overload.CHAR) {
+        if (overload == Overload.CHAR) {
             while (state.keepRunning()) {
                 for (int ch = 0; ch < 65536; ++ch) {
                     Character.isIdentifierIgnorable(mChars[ch]);
@@ -178,9 +180,11 @@
     }
 
     @Test
-    public void timeIsJavaIdentifierPart() {
+    @Parameters(method = "getData")
+    public void timeIsJavaIdentifierPart(CharacterSet characterSet, Overload overload) {
+        setUp(characterSet);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        if (mOverload == Overload.CHAR) {
+        if (overload == Overload.CHAR) {
             while (state.keepRunning()) {
                 for (int ch = 0; ch < 65536; ++ch) {
                     Character.isJavaIdentifierPart(mChars[ch]);
@@ -196,9 +200,11 @@
     }
 
     @Test
-    public void timeIsJavaIdentifierStart() {
+    @Parameters(method = "getData")
+    public void timeIsJavaIdentifierStart(CharacterSet characterSet, Overload overload) {
+        setUp(characterSet);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        if (mOverload == Overload.CHAR) {
+        if (overload == Overload.CHAR) {
             while (state.keepRunning()) {
                 for (int ch = 0; ch < 65536; ++ch) {
                     Character.isJavaIdentifierStart(mChars[ch]);
@@ -214,9 +220,11 @@
     }
 
     @Test
-    public void timeIsLetter() {
+    @Parameters(method = "getData")
+    public void timeIsLetter(CharacterSet characterSet, Overload overload) {
+        setUp(characterSet);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        if (mOverload == Overload.CHAR) {
+        if (overload == Overload.CHAR) {
             while (state.keepRunning()) {
                 for (int ch = 0; ch < 65536; ++ch) {
                     Character.isLetter(mChars[ch]);
@@ -232,9 +240,11 @@
     }
 
     @Test
-    public void timeIsLetterOrDigit() {
+    @Parameters(method = "getData")
+    public void timeIsLetterOrDigit(CharacterSet characterSet, Overload overload) {
+        setUp(characterSet);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        if (mOverload == Overload.CHAR) {
+        if (overload == Overload.CHAR) {
             while (state.keepRunning()) {
                 for (int ch = 0; ch < 65536; ++ch) {
                     Character.isLetterOrDigit(mChars[ch]);
@@ -250,9 +260,11 @@
     }
 
     @Test
-    public void timeIsLowerCase() {
+    @Parameters(method = "getData")
+    public void timeIsLowerCase(CharacterSet characterSet, Overload overload) {
+        setUp(characterSet);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        if (mOverload == Overload.CHAR) {
+        if (overload == Overload.CHAR) {
             while (state.keepRunning()) {
                 for (int ch = 0; ch < 65536; ++ch) {
                     Character.isLowerCase(mChars[ch]);
@@ -268,9 +280,11 @@
     }
 
     @Test
-    public void timeIsSpaceChar() {
+    @Parameters(method = "getData")
+    public void timeIsSpaceChar(CharacterSet characterSet, Overload overload) {
+        setUp(characterSet);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        if (mOverload == Overload.CHAR) {
+        if (overload == Overload.CHAR) {
             while (state.keepRunning()) {
                 for (int ch = 0; ch < 65536; ++ch) {
                     Character.isSpaceChar(mChars[ch]);
@@ -286,9 +300,11 @@
     }
 
     @Test
-    public void timeIsUpperCase() {
+    @Parameters(method = "getData")
+    public void timeIsUpperCase(CharacterSet characterSet, Overload overload) {
+        setUp(characterSet);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        if (mOverload == Overload.CHAR) {
+        if (overload == Overload.CHAR) {
             while (state.keepRunning()) {
                 for (int ch = 0; ch < 65536; ++ch) {
                     Character.isUpperCase(mChars[ch]);
@@ -304,9 +320,11 @@
     }
 
     @Test
-    public void timeIsWhitespace() {
+    @Parameters(method = "getData")
+    public void timeIsWhitespace(CharacterSet characterSet, Overload overload) {
+        setUp(characterSet);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        if (mOverload == Overload.CHAR) {
+        if (overload == Overload.CHAR) {
             while (state.keepRunning()) {
                 for (int ch = 0; ch < 65536; ++ch) {
                     Character.isWhitespace(mChars[ch]);
@@ -322,9 +340,11 @@
     }
 
     @Test
-    public void timeToLowerCase() {
+    @Parameters(method = "getData")
+    public void timeToLowerCase(CharacterSet characterSet, Overload overload) {
+        setUp(characterSet);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        if (mOverload == Overload.CHAR) {
+        if (overload == Overload.CHAR) {
             while (state.keepRunning()) {
                 for (int ch = 0; ch < 65536; ++ch) {
                     Character.toLowerCase(mChars[ch]);
@@ -340,9 +360,11 @@
     }
 
     @Test
-    public void timeToUpperCase() {
+    @Parameters(method = "getData")
+    public void timeToUpperCase(CharacterSet characterSet, Overload overload) {
+        setUp(characterSet);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        if (mOverload == Overload.CHAR) {
+        if (overload == Overload.CHAR) {
             while (state.keepRunning()) {
                 for (int ch = 0; ch < 65536; ++ch) {
                     Character.toUpperCase(mChars[ch]);
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/CharsetForNamePerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/CharsetForNamePerfTest.java
index 603b182..8da13a9 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/CharsetForNamePerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/CharsetForNamePerfTest.java
@@ -20,44 +20,40 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
 
 import java.nio.charset.Charset;
-import java.util.Arrays;
-import java.util.Collection;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class CharsetForNamePerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameterized.Parameters(name = "mCharsetName({0})")
-    public static Collection<Object[]> data() {
-        return Arrays.asList(
-                new Object[][] {
-                    {"UTF-16"},
-                    {"UTF-8"},
-                    {"UTF8"},
-                    {"ISO-8859-1"},
-                    {"8859_1"},
-                    {"ISO-8859-2"},
-                    {"8859_2"},
-                    {"US-ASCII"},
-                    {"ASCII"},
-                });
+    public static String[] charsetNames() {
+        return new String[] {
+            "UTF-16",
+            "UTF-8",
+            "UTF8",
+            "ISO-8859-1",
+            "8859_1",
+            "ISO-8859-2",
+            "8859_2",
+            "US-ASCII",
+            "ASCII",
+        };
     }
 
-    @Parameterized.Parameter(0)
-    public String mCharsetName;
-
     @Test
-    public void timeCharsetForName() throws Exception {
+    @Parameters(method = "charsetNames")
+    public void timeCharsetForName(String charsetName) throws Exception {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            Charset.forName(mCharsetName);
+            Charset.forName(charsetName);
         }
     }
 }
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/CharsetPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/CharsetPerfTest.java
index 437d186..048c50f 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/CharsetPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/CharsetPerfTest.java
@@ -20,22 +20,22 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.util.Arrays;
 import java.util.Collection;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class CharsetPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "mLength({0}), mName({1})")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {1, "UTF-16"},
@@ -86,24 +86,20 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public int mLength;
-
-    @Parameterized.Parameter(1)
-    public String mName;
-
     @Test
-    public void time_new_String_BString() throws Exception {
-        byte[] bytes = makeBytes(makeString(mLength));
+    @Parameters(method = "getData")
+    public void time_new_String_BString(int length, String name) throws Exception {
+        byte[] bytes = makeBytes(makeString(length));
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            new String(bytes, mName);
+            new String(bytes, name);
         }
     }
 
     @Test
-    public void time_new_String_BII() throws Exception {
-        byte[] bytes = makeBytes(makeString(mLength));
+    @Parameters(method = "getData")
+    public void time_new_String_BII(int length, String name) throws Exception {
+        byte[] bytes = makeBytes(makeString(length));
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             new String(bytes, 0, bytes.length);
@@ -111,20 +107,22 @@
     }
 
     @Test
-    public void time_new_String_BIIString() throws Exception {
-        byte[] bytes = makeBytes(makeString(mLength));
+    @Parameters(method = "getData")
+    public void time_new_String_BIIString(int length, String name) throws Exception {
+        byte[] bytes = makeBytes(makeString(length));
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            new String(bytes, 0, bytes.length, mName);
+            new String(bytes, 0, bytes.length, name);
         }
     }
 
     @Test
-    public void time_String_getBytes() throws Exception {
-        String string = makeString(mLength);
+    @Parameters(method = "getData")
+    public void time_String_getBytes(int length, String name) throws Exception {
+        String string = makeString(length);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            string.getBytes(mName);
+            string.getBytes(name);
         }
     }
 
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/CipherPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/CipherPerfTest.java
index 15c27f2..42b0588 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/CipherPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/CipherPerfTest.java
@@ -20,11 +20,12 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
-import org.junit.Before;
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
 
 import java.security.spec.AlgorithmParameterSpec;
 import java.util.ArrayList;
@@ -42,17 +43,13 @@
  * Cipher benchmarks. Only runs on AES currently because of the combinatorial explosion of the test
  * as it stands.
  */
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class CipherPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameterized.Parameters(
-            name =
-                    "mMode({0}), mPadding({1}), mKeySize({2}), mInputSize({3}),"
-                            + " mImplementation({4})")
-    public static Collection cases() {
-        int[] mKeySizes = new int[] {128, 192, 256};
+    public static Collection getCases() {
+        int[] keySizes = new int[] {128, 192, 256};
         int[] inputSizes = new int[] {16, 32, 64, 128, 1024, 8192};
         final List<Object[]> params = new ArrayList<>();
         for (Mode mode : Mode.values()) {
@@ -71,11 +68,11 @@
                             && implementation == Implementation.OpenSSL) {
                         continue;
                     }
-                    for (int mKeySize : mKeySizes) {
+                    for (int keySize : keySizes) {
                         for (int inputSize : inputSizes) {
                             params.add(
                                     new Object[] {
-                                        mode, padding, mKeySize, inputSize, implementation
+                                        mode, padding, keySize, inputSize, implementation
                                     });
                         }
                     }
@@ -107,9 +104,6 @@
         AES,
     };
 
-    @Parameterized.Parameter(0)
-    public Mode mMode;
-
     public enum Mode {
         CBC,
         CFB,
@@ -118,23 +112,11 @@
         OFB,
     };
 
-    @Parameterized.Parameter(1)
-    public Padding mPadding;
-
     public enum Padding {
         NOPADDING,
         PKCS1PADDING,
     };
 
-    @Parameterized.Parameter(2)
-    public int mKeySize;
-
-    @Parameterized.Parameter(3)
-    public int mInputSize;
-
-    @Parameterized.Parameter(4)
-    public Implementation mImplementation;
-
     public enum Implementation {
         OpenSSL,
         BouncyCastle
@@ -156,21 +138,20 @@
 
     private AlgorithmParameterSpec mSpec;
 
-    @Before
-    public void setUp() throws Exception {
-        mCipherAlgorithm =
-                mAlgorithm.toString() + "/" + mMode.toString() + "/" + mPadding.toString();
+    public void setUp(Mode mode, Padding padding, int keySize, Implementation implementation)
+            throws Exception {
+        mCipherAlgorithm = mAlgorithm.toString() + "/" + mode.toString() + "/" + padding.toString();
 
         String mKeyAlgorithm = mAlgorithm.toString();
-        mKey = sKeySizes.get(mKeySize);
+        mKey = sKeySizes.get(keySize);
         if (mKey == null) {
             KeyGenerator generator = KeyGenerator.getInstance(mKeyAlgorithm);
-            generator.init(mKeySize);
+            generator.init(keySize);
             mKey = generator.generateKey();
-            sKeySizes.put(mKeySize, mKey);
+            sKeySizes.put(keySize, mKey);
         }
 
-        switch (mImplementation) {
+        switch (implementation) {
             case OpenSSL:
                 mProviderName = "AndroidOpenSSL";
                 break;
@@ -178,10 +159,10 @@
                 mProviderName = "BC";
                 break;
             default:
-                throw new RuntimeException(mImplementation.toString());
+                throw new RuntimeException(implementation.toString());
         }
 
-        if (mMode != Mode.ECB) {
+        if (mode != Mode.ECB) {
             mSpec = new IvParameterSpec(IV);
         }
 
@@ -193,18 +174,26 @@
     }
 
     @Test
-    public void timeEncrypt() throws Exception {
+    @Parameters(method = "getCases")
+    public void timeEncrypt(
+            Mode mode, Padding padding, int keySize, int inputSize, Implementation implementation)
+            throws Exception {
+        setUp(mode, padding, keySize, implementation);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mCipherEncrypt.doFinal(DATA, 0, mInputSize, mOutput);
+            mCipherEncrypt.doFinal(DATA, 0, inputSize, mOutput);
         }
     }
 
     @Test
-    public void timeDecrypt() throws Exception {
+    @Parameters(method = "getCases")
+    public void timeDecrypt(
+            Mode mode, Padding padding, int keySize, int inputSize, Implementation implementation)
+            throws Exception {
+        setUp(mode, padding, keySize, implementation);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mCipherDecrypt.doFinal(DATA, 0, mInputSize, mOutput);
+            mCipherDecrypt.doFinal(DATA, 0, inputSize, mOutput);
         }
     }
 }
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/CollectionsPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/CollectionsPerfTest.java
index a89efff..69197c3 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/CollectionsPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/CollectionsPerfTest.java
@@ -20,11 +20,12 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -35,19 +36,15 @@
 import java.util.Random;
 import java.util.Vector;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class CollectionsPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "mArrayListLength({0})")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(new Object[][] {{4}, {16}, {64}, {256}, {1024}});
     }
 
-    @Parameterized.Parameter(0)
-    public int arrayListLength;
-
     public static Comparator<Integer> REVERSE =
             new Comparator<Integer>() {
                 @Override
@@ -59,7 +56,8 @@
             };
 
     @Test
-    public void timeSort_arrayList() throws Exception {
+    @Parameters(method = "getData")
+    public void timeSort_arrayList(int arrayListLength) throws Exception {
         List<Integer> input = buildList(arrayListLength, ArrayList.class);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -68,7 +66,8 @@
     }
 
     @Test
-    public void timeSortWithComparator_arrayList() throws Exception {
+    @Parameters(method = "getData")
+    public void timeSortWithComparator_arrayList(int arrayListLength) throws Exception {
         List<Integer> input = buildList(arrayListLength, ArrayList.class);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -77,7 +76,8 @@
     }
 
     @Test
-    public void timeSort_vector() throws Exception {
+    @Parameters(method = "getData")
+    public void timeSort_vector(int arrayListLength) throws Exception {
         List<Integer> input = buildList(arrayListLength, Vector.class);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
@@ -86,7 +86,8 @@
     }
 
     @Test
-    public void timeSortWithComparator_vector() throws Exception {
+    @Parameters(method = "getData")
+    public void timeSortWithComparator_vector(int arrayListLength) throws Exception {
         List<Integer> input = buildList(arrayListLength, Vector.class);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/EqualsHashCodePerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/EqualsHashCodePerfTest.java
index 4ff3ba5..8391203 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/EqualsHashCodePerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/EqualsHashCodePerfTest.java
@@ -20,11 +20,12 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
-import org.junit.Before;
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
 
 import java.net.URI;
 import java.net.URL;
@@ -32,39 +33,39 @@
 import java.util.Collection;
 import java.util.List;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public final class EqualsHashCodePerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
     private enum Type {
         URI() {
-            @Override Object newInstance(String text) throws Exception {
+            @Override
+            Object newInstance(String text) throws Exception {
                 return new URI(text);
             }
         },
         URL() {
-            @Override Object newInstance(String text) throws Exception {
+            @Override
+            Object newInstance(String text) throws Exception {
                 return new URL(text);
             }
         };
+
         abstract Object newInstance(String text) throws Exception;
     }
 
-    private static final String QUERY = "%E0%AE%A8%E0%AE%BE%E0%AE%AE%E0%AF%8D+%E0%AE%AE%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AE%BE%E0%AE%A9%2C+%E0%AE%9A%E0%AF%81%E0%AE%B5%E0%AE%BE%E0%AE%B0%E0%AE%B8%E0%AF%8D%E0%AE%AF%E0%AE%AE%E0%AE%BE%E0%AE%A9+%E0%AE%87%E0%AE%B0%E0%AF%81%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%87%E0%AE%BE%E0%AE%AE%E0%AF%8D%2C+%E0%AE%86%E0%AE%A9%E0%AE%BE%E0%AE%B2%E0%AF%8D+%E0%AE%9A%E0%AE%BF%E0%AE%B2+%E0%AE%A8%E0%AF%87%E0%AE%B0%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%B2%E0%AF%8D+%E0%AE%9A%E0%AF%82%E0%AE%B4%E0%AF%8D%E0%AE%A8%E0%AE%BF%E0%AE%B2%E0%AF%88+%E0%AE%8F%E0%AE%B1%E0%AF%8D%E0%AE%AA%E0%AE%9F%E0%AF%81%E0%AE%AE%E0%AF%8D+%E0%AE%8E%E0%AE%A9%E0%AF%8D%E0%AE%AA%E0%AE%A4%E0%AE%BE%E0%AE%B2%E0%AF%8D+%E0%AE%AA%E0%AE%A3%E0%AE%BF%E0%AE%AF%E0%AF%88%E0%AE%AF%E0%AF%81%E0%AE%AE%E0%AF%8D+%E0%AE%B5%E0%AE%B2%E0%AE%BF+%E0%AE%85%E0%AE%B5%E0%AE%B0%E0%AF%88+%E0%AE%9A%E0%AE%BF%E0%AE%B2+%E0%AE%AA%E0%AF%86%E0%AE%B0%E0%AE%BF%E0%AE%AF+%E0%AE%95%E0%AF%86%E0%AE%BE%E0%AE%B3%E0%AF%8D%E0%AE%AE%E0%AF%81%E0%AE%A4%E0%AE%B2%E0%AF%8D+%E0%AE%AE%E0%AF%81%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AF%81%E0%AE%AE%E0%AF%8D.+%E0%AE%85%E0%AE%A4%E0%AF%81+%E0%AE%9A%E0%AE%BF%E0%AE%B2+%E0%AE%A8%E0%AE%A9%E0%AF%8D%E0%AE%AE%E0%AF%88%E0%AE%95%E0%AE%B3%E0%AF%88+%E0%AE%AA%E0%AF%86%E0%AE%B1+%E0%AE%A4%E0%AE%B5%E0%AE%BF%E0%AE%B0%2C+%E0%AE%8E%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%87%E0%AE%BE%E0%AE%A4%E0%AF%81%E0%AE%AE%E0%AF%8D+%E0%AE%89%E0%AE%B4%E0%AF%88%E0%AE%95%E0%AF%8D%E0%AE%95+%E0%AE%89%E0%AE%9F%E0%AE%B1%E0%AF%8D%E0%AE%AA%E0%AE%AF%E0%AE%BF%E0%AE%B1%E0%AF%8D%E0%AE%9A%E0%AE%BF+%E0%AE%AE%E0%AF%87%E0%AE%B1%E0%AF%8D%E0%AE%95%E0%AF%86%E0%AE%BE%E0%AE%B3%E0%AF%8D%E0%AE%95%E0%AE%BF%E0%AE%B1%E0%AE%A4%E0%AF%81+%E0%AE%8E%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%81+%E0%AE%87%E0%AE%A4%E0%AF%81+%E0%AE%92%E0%AE%B0%E0%AF%81+%E0%AE%9A%E0%AE%BF%E0%AE%B1%E0%AE%BF%E0%AE%AF+%E0%AE%89%E0%AE%A4%E0%AE%BE%E0%AE%B0%E0%AE%A3%E0%AE%AE%E0%AF%8D%2C+%E0%AE%8E%E0%AE%9F%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95.+%E0%AE%B0%E0%AE%AF%E0%AE%BF%E0%AE%B2%E0%AF%8D+%E0%AE%8E%E0%AE%A8%E0%AF%8D%E0%AE%A4+%E0%AE%B5%E0%AE%BF%E0%AE%B3%E0%AF%88%E0%AE%B5%E0%AE%BE%E0%AE%95+%E0%AE%87%E0%AE%A9%E0%AF%8D%E0%AE%AA%E0%AE%AE%E0%AF%8D+%E0%AE%86%E0%AE%A9%E0%AF%8D%E0%AE%B2%E0%AF%88%E0%AE%A9%E0%AF%8D+%E0%AE%AA%E0%AE%AF%E0%AE%A9%E0%AF%8D%E0%AE%AA%E0%AE%BE%E0%AE%9F%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AF%8D+%E0%AE%87%E0%AE%B0%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95+%E0%AE%B5%E0%AF%87%E0%AE%A3%E0%AF%8D%E0%AE%9F%E0%AF%81%E0%AE%AE%E0%AF%8D+%E0%AE%A4%E0%AE%AF%E0%AE%BE%E0%AE%B0%E0%AE%BF%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%81%E0%AE%AE%E0%AF%8D+%E0%AE%A4%E0%AE%B5%E0%AE%B1%E0%AF%81+%E0%AE%95%E0%AE%A3%E0%AF%8D%E0%AE%9F%E0%AF%81%E0%AE%AA%E0%AE%BF%E0%AE%9F%E0%AE%BF%E0%AE%95%E0%AF%8D%E0%AE%95+%E0%AE%B5%E0%AE%B0%E0%AF%81%E0%AE%AE%E0%AF%8D+%E0%AE%A8%E0%AE%BE%E0%AE%AE%E0%AF%8D+%E0%AE%A4%E0%AE%B1%E0%AF%8D%E0%AE%AA%E0%AF%87%E0%AE%BE%E0%AE%A4%E0%AF%81+%E0%AE%87%E0%AE%B0%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%BF%E0%AE%B1%E0%AF%87%E0%AE%BE%E0%AE%AE%E0%AF%8D.+%E0%AE%87%E0%AE%A8%E0%AF%8D%E0%AE%A4+%E0%AE%A8%E0%AE%BF%E0%AE%95%E0%AE%B4%E0%AF%8D%E0%AE%B5%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%B2%E0%AF%8D+%E0%AE%9A%E0%AF%86%E0%AE%AF%E0%AF%8D%E0%AE%A4%E0%AE%AA%E0%AE%BF%E0%AE%A9%E0%AF%8D+%E0%AE%85%E0%AE%AE%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AE%BF%E0%AE%A9%E0%AF%8D+%E0%AE%95%E0%AE%A3%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%81%2C+%E0%AE%85%E0%AE%B5%E0%AE%B0%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%8D+%E0%AE%A4%E0%AE%B5%E0%AE%B1%E0%AF%81+%E0%AE%B5%E0%AE%BF%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AF%81+quae+%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%B1%E0%AF%88+%E0%AE%A8%E0%AF%80%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%8D+%E0%AE%AA%E0%AE%B0%E0%AE%BF%E0%AE%A8%E0%AF%8D%E0%AE%A4%E0%AF%81%E0%AE%B0%E0%AF%88%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%BF%E0%AE%B1%E0%AF%87%E0%AE%BE%E0%AE%AE%E0%AF%8D+%E0%AE%AE%E0%AF%86%E0%AE%A9%E0%AF%8D%E0%AE%AE%E0%AF%88%E0%AE%AF%E0%AE%BE%E0%AE%95+%E0%AE%AE%E0%AE%BE%E0%AE%B1%E0%AF%81%E0%AE%AE%E0%AF%8D";
+    private static final String QUERY =
+            "%E0%AE%A8%E0%AE%BE%E0%AE%AE%E0%AF%8D+%E0%AE%AE%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AE%BE%E0%AE%A9%2C+%E0%AE%9A%E0%AF%81%E0%AE%B5%E0%AE%BE%E0%AE%B0%E0%AE%B8%E0%AF%8D%E0%AE%AF%E0%AE%AE%E0%AE%BE%E0%AE%A9+%E0%AE%87%E0%AE%B0%E0%AF%81%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%87%E0%AE%BE%E0%AE%AE%E0%AF%8D%2C+%E0%AE%86%E0%AE%A9%E0%AE%BE%E0%AE%B2%E0%AF%8D+%E0%AE%9A%E0%AE%BF%E0%AE%B2+%E0%AE%A8%E0%AF%87%E0%AE%B0%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%B2%E0%AF%8D+%E0%AE%9A%E0%AF%82%E0%AE%B4%E0%AF%8D%E0%AE%A8%E0%AE%BF%E0%AE%B2%E0%AF%88+%E0%AE%8F%E0%AE%B1%E0%AF%8D%E0%AE%AA%E0%AE%9F%E0%AF%81%E0%AE%AE%E0%AF%8D+%E0%AE%8E%E0%AE%A9%E0%AF%8D%E0%AE%AA%E0%AE%A4%E0%AE%BE%E0%AE%B2%E0%AF%8D+%E0%AE%AA%E0%AE%A3%E0%AE%BF%E0%AE%AF%E0%AF%88%E0%AE%AF%E0%AF%81%E0%AE%AE%E0%AF%8D+%E0%AE%B5%E0%AE%B2%E0%AE%BF+%E0%AE%85%E0%AE%B5%E0%AE%B0%E0%AF%88+%E0%AE%9A%E0%AE%BF%E0%AE%B2+%E0%AE%AA%E0%AF%86%E0%AE%B0%E0%AE%BF%E0%AE%AF+%E0%AE%95%E0%AF%86%E0%AE%BE%E0%AE%B3%E0%AF%8D%E0%AE%AE%E0%AF%81%E0%AE%A4%E0%AE%B2%E0%AF%8D+%E0%AE%AE%E0%AF%81%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AF%81%E0%AE%AE%E0%AF%8D.+%E0%AE%85%E0%AE%A4%E0%AF%81+%E0%AE%9A%E0%AE%BF%E0%AE%B2+%E0%AE%A8%E0%AE%A9%E0%AF%8D%E0%AE%AE%E0%AF%88%E0%AE%95%E0%AE%B3%E0%AF%88+%E0%AE%AA%E0%AF%86%E0%AE%B1+%E0%AE%A4%E0%AE%B5%E0%AE%BF%E0%AE%B0%2C+%E0%AE%8E%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%87%E0%AE%BE%E0%AE%A4%E0%AF%81%E0%AE%AE%E0%AF%8D+%E0%AE%89%E0%AE%B4%E0%AF%88%E0%AE%95%E0%AF%8D%E0%AE%95+%E0%AE%89%E0%AE%9F%E0%AE%B1%E0%AF%8D%E0%AE%AA%E0%AE%AF%E0%AE%BF%E0%AE%B1%E0%AF%8D%E0%AE%9A%E0%AE%BF+%E0%AE%AE%E0%AF%87%E0%AE%B1%E0%AF%8D%E0%AE%95%E0%AF%86%E0%AE%BE%E0%AE%B3%E0%AF%8D%E0%AE%95%E0%AE%BF%E0%AE%B1%E0%AE%A4%E0%AF%81+%E0%AE%8E%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%81+%E0%AE%87%E0%AE%A4%E0%AF%81+%E0%AE%92%E0%AE%B0%E0%AF%81+%E0%AE%9A%E0%AE%BF%E0%AE%B1%E0%AE%BF%E0%AE%AF+%E0%AE%89%E0%AE%A4%E0%AE%BE%E0%AE%B0%E0%AE%A3%E0%AE%AE%E0%AF%8D%2C+%E0%AE%8E%E0%AE%9F%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95.+%E0%AE%B0%E0%AE%AF%E0%AE%BF%E0%AE%B2%E0%AF%8D+%E0%AE%8E%E0%AE%A8%E0%AF%8D%E0%AE%A4+%E0%AE%B5%E0%AE%BF%E0%AE%B3%E0%AF%88%E0%AE%B5%E0%AE%BE%E0%AE%95+%E0%AE%87%E0%AE%A9%E0%AF%8D%E0%AE%AA%E0%AE%AE%E0%AF%8D+%E0%AE%86%E0%AE%A9%E0%AF%8D%E0%AE%B2%E0%AF%88%E0%AE%A9%E0%AF%8D+%E0%AE%AA%E0%AE%AF%E0%AE%A9%E0%AF%8D%E0%AE%AA%E0%AE%BE%E0%AE%9F%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AF%8D+%E0%AE%87%E0%AE%B0%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95+%E0%AE%B5%E0%AF%87%E0%AE%A3%E0%AF%8D%E0%AE%9F%E0%AF%81%E0%AE%AE%E0%AF%8D+%E0%AE%A4%E0%AE%AF%E0%AE%BE%E0%AE%B0%E0%AE%BF%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%81%E0%AE%AE%E0%AF%8D+%E0%AE%A4%E0%AE%B5%E0%AE%B1%E0%AF%81+%E0%AE%95%E0%AE%A3%E0%AF%8D%E0%AE%9F%E0%AF%81%E0%AE%AA%E0%AE%BF%E0%AE%9F%E0%AE%BF%E0%AE%95%E0%AF%8D%E0%AE%95+%E0%AE%B5%E0%AE%B0%E0%AF%81%E0%AE%AE%E0%AF%8D+%E0%AE%A8%E0%AE%BE%E0%AE%AE%E0%AF%8D+%E0%AE%A4%E0%AE%B1%E0%AF%8D%E0%AE%AA%E0%AF%87%E0%AE%BE%E0%AE%A4%E0%AF%81+%E0%AE%87%E0%AE%B0%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%BF%E0%AE%B1%E0%AF%87%E0%AE%BE%E0%AE%AE%E0%AF%8D.+%E0%AE%87%E0%AE%A8%E0%AF%8D%E0%AE%A4+%E0%AE%A8%E0%AE%BF%E0%AE%95%E0%AE%B4%E0%AF%8D%E0%AE%B5%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%B2%E0%AF%8D+%E0%AE%9A%E0%AF%86%E0%AE%AF%E0%AF%8D%E0%AE%A4%E0%AE%AA%E0%AE%BF%E0%AE%A9%E0%AF%8D+%E0%AE%85%E0%AE%AE%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AE%BF%E0%AE%A9%E0%AF%8D+%E0%AE%95%E0%AE%A3%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%81%2C+%E0%AE%85%E0%AE%B5%E0%AE%B0%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%8D+%E0%AE%A4%E0%AE%B5%E0%AE%B1%E0%AF%81+%E0%AE%B5%E0%AE%BF%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AF%81+quae+%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%B1%E0%AF%88+%E0%AE%A8%E0%AF%80%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%8D+%E0%AE%AA%E0%AE%B0%E0%AE%BF%E0%AE%A8%E0%AF%8D%E0%AE%A4%E0%AF%81%E0%AE%B0%E0%AF%88%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%BF%E0%AE%B1%E0%AF%87%E0%AE%BE%E0%AE%AE%E0%AF%8D+%E0%AE%AE%E0%AF%86%E0%AE%A9%E0%AF%8D%E0%AE%AE%E0%AF%88%E0%AE%AF%E0%AE%BE%E0%AE%95+%E0%AE%AE%E0%AE%BE%E0%AE%B1%E0%AF%81%E0%AE%AE%E0%AF%8D";
 
-    @Parameterized.Parameters(name = "mType({0})")
-    public static Collection cases() {
+    public static Collection getCases() {
         final List<Object[]> params = new ArrayList<>();
         for (Type type : Type.values()) {
-            params.add(new Object[]{type});
+            params.add(new Object[] {type});
         }
         return params;
     }
 
-    @Parameterized.Parameter(0)
-    public Type mType;
-
     Object mA1;
     Object mA2;
     Object mB1;
@@ -73,20 +74,13 @@
     Object mC1;
     Object mC2;
 
-    @Before
-    public void setUp() throws Exception {
-        mA1 = mType.newInstance("https://mail.google.com/mail/u/0/?shva=1#inbox");
-        mA2 = mType.newInstance("https://mail.google.com/mail/u/0/?shva=1#inbox");
-        mB1 = mType.newInstance("http://developer.android.com/reference/java/net/URI.html");
-        mB2 = mType.newInstance("http://developer.android.com/reference/java/net/URI.html");
-
-        mC1 = mType.newInstance("http://developer.android.com/query?q=" + QUERY);
-        // Replace the very last char.
-        mC2 = mType.newInstance("http://developer.android.com/query?q=" + QUERY.substring(0, QUERY.length() - 3) + "%AF");
-    }
-
     @Test
-    public void timeEquals() {
+    @Parameters(method = "getCases")
+    public void timeEquals(Type type) throws Exception {
+        mA1 = type.newInstance("https://mail.google.com/mail/u/0/?shva=1#inbox");
+        mA2 = type.newInstance("https://mail.google.com/mail/u/0/?shva=1#inbox");
+        mB1 = type.newInstance("http://developer.android.com/reference/java/net/URI.html");
+        mB2 = type.newInstance("http://developer.android.com/reference/java/net/URI.html");
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             mA1.equals(mB1);
@@ -96,7 +90,10 @@
     }
 
     @Test
-    public void timeHashCode() {
+    @Parameters(method = "getCases")
+    public void timeHashCode(Type type) throws Exception {
+        mA1 = type.newInstance("https://mail.google.com/mail/u/0/?shva=1#inbox");
+        mB1 = type.newInstance("http://developer.android.com/reference/java/net/URI.html");
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             mA1.hashCode();
@@ -105,7 +102,15 @@
     }
 
     @Test
-    public void timeEqualsWithHeavilyEscapedComponent() {
+    @Parameters(method = "getCases")
+    public void timeEqualsWithHeavilyEscapedComponent(Type type) throws Exception {
+        mC1 = type.newInstance("http://developer.android.com/query?q=" + QUERY);
+        // Replace the very last char.
+        mC2 =
+                type.newInstance(
+                        "http://developer.android.com/query?q="
+                                + QUERY.substring(0, QUERY.length() - 3)
+                                + "%AF");
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             mC1.equals(mC2);
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/KeyPairGeneratorPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/KeyPairGeneratorPerfTest.java
index 6fe9059..80c4487 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/KeyPairGeneratorPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/KeyPairGeneratorPerfTest.java
@@ -20,26 +20,24 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
-import org.junit.Before;
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.security.KeyPair;
 import java.security.KeyPairGenerator;
-import java.security.SecureRandom;
 import java.util.Arrays;
 import java.util.Collection;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class KeyPairGeneratorPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "mAlgorithm={0}, mImplementation={1}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {Algorithm.RSA, Implementation.BouncyCastle},
@@ -48,12 +46,6 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public Algorithm mAlgorithm;
-
-    @Parameterized.Parameter(1)
-    public Implementation mImplementation;
-
     public enum Algorithm {
         RSA,
         DSA,
@@ -66,26 +58,25 @@
 
     private String mGeneratorAlgorithm;
     private KeyPairGenerator mGenerator;
-    private SecureRandom mRandom;
 
-    @Before
-    public void setUp() throws Exception {
-        this.mGeneratorAlgorithm = mAlgorithm.toString();
+    public void setUp(Algorithm algorithm, Implementation implementation) throws Exception {
+        this.mGeneratorAlgorithm = algorithm.toString();
 
         final String provider;
-        if (mImplementation == Implementation.BouncyCastle) {
+        if (implementation == Implementation.BouncyCastle) {
             provider = "BC";
         } else {
             provider = "AndroidOpenSSL";
         }
 
         this.mGenerator = KeyPairGenerator.getInstance(mGeneratorAlgorithm, provider);
-        this.mRandom = SecureRandom.getInstance("SHA1PRNG");
         this.mGenerator.initialize(1024);
     }
 
     @Test
-    public void time() throws Exception {
+    @Parameters(method = "getData")
+    public void time(Algorithm algorithm, Implementation implementation) throws Exception {
+        setUp(algorithm, implementation);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             KeyPair keyPair = mGenerator.generateKeyPair();
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/LoopingBackwardsPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/LoopingBackwardsPerfTest.java
index 414764d..c9b0cbe 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/LoopingBackwardsPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/LoopingBackwardsPerfTest.java
@@ -20,11 +20,12 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.util.Arrays;
 import java.util.Collection;
@@ -34,36 +35,34 @@
  *
  * @author Kevin Bourrillion
  */
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class LoopingBackwardsPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "mMax={0}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(new Object[][] {{2}, {20}, {2000}, {20000000}});
     }
 
-    @Parameterized.Parameter(0)
-    public int mMax;
-
     @Test
-    public void timeForwards() {
+    @Parameters(method = "getData")
+    public void timeForwards(int max) {
         int fake = 0;
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            for (int j = 0; j < mMax; j++) {
+            for (int j = 0; j < max; j++) {
                 fake += j;
             }
         }
     }
 
     @Test
-    public void timeBackwards() {
+    @Parameters(method = "getData")
+    public void timeBackwards(int max) {
         int fake = 0;
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            for (int j = mMax - 1; j >= 0; j--) {
+            for (int j = max - 1; j >= 0; j--) {
                 fake += j;
             }
         }
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/MessageDigestPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/MessageDigestPerfTest.java
index 279681b..2dc947a 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/MessageDigestPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/MessageDigestPerfTest.java
@@ -20,24 +20,24 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.nio.ByteBuffer;
 import java.security.MessageDigest;
 import java.util.Arrays;
 import java.util.Collection;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class MessageDigestPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "mAlgorithm={0}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {Algorithm.MD5},
@@ -48,9 +48,6 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public Algorithm mAlgorithm;
-
     public String mProvider = "AndroidOpenSSL";
 
     private static final int DATA_SIZE = 8192;
@@ -97,44 +94,44 @@
     };
 
     @Test
-    public void time() throws Exception {
+    @Parameters(method = "getData")
+    public void time(Algorithm algorithm) throws Exception {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            MessageDigest digest =
-                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            MessageDigest digest = MessageDigest.getInstance(algorithm.toString(), mProvider);
             digest.update(DATA, 0, DATA_SIZE);
             digest.digest();
         }
     }
 
     @Test
-    public void timeLargeArray() throws Exception {
+    @Parameters(method = "getData")
+    public void timeLargeArray(Algorithm algorithm) throws Exception {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            MessageDigest digest =
-                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            MessageDigest digest = MessageDigest.getInstance(algorithm.toString(), mProvider);
             digest.update(LARGE_DATA, 0, LARGE_DATA_SIZE);
             digest.digest();
         }
     }
 
     @Test
-    public void timeSmallChunkOfLargeArray() throws Exception {
+    @Parameters(method = "getData")
+    public void timeSmallChunkOfLargeArray(Algorithm algorithm) throws Exception {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            MessageDigest digest =
-                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            MessageDigest digest = MessageDigest.getInstance(algorithm.toString(), mProvider);
             digest.update(LARGE_DATA, LARGE_DATA_SIZE / 2, DATA_SIZE);
             digest.digest();
         }
     }
 
     @Test
-    public void timeSmallByteBuffer() throws Exception {
+    @Parameters(method = "getData")
+    public void timeSmallByteBuffer(Algorithm algorithm) throws Exception {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            MessageDigest digest =
-                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            MessageDigest digest = MessageDigest.getInstance(algorithm.toString(), mProvider);
             SMALL_BUFFER.position(0);
             SMALL_BUFFER.limit(SMALL_BUFFER.capacity());
             digest.update(SMALL_BUFFER);
@@ -143,11 +140,11 @@
     }
 
     @Test
-    public void timeSmallDirectByteBuffer() throws Exception {
+    @Parameters(method = "getData")
+    public void timeSmallDirectByteBuffer(Algorithm algorithm) throws Exception {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            MessageDigest digest =
-                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            MessageDigest digest = MessageDigest.getInstance(algorithm.toString(), mProvider);
             SMALL_DIRECT_BUFFER.position(0);
             SMALL_DIRECT_BUFFER.limit(SMALL_DIRECT_BUFFER.capacity());
             digest.update(SMALL_DIRECT_BUFFER);
@@ -156,11 +153,11 @@
     }
 
     @Test
-    public void timeLargeByteBuffer() throws Exception {
+    @Parameters(method = "getData")
+    public void timeLargeByteBuffer(Algorithm algorithm) throws Exception {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            MessageDigest digest =
-                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            MessageDigest digest = MessageDigest.getInstance(algorithm.toString(), mProvider);
             LARGE_BUFFER.position(0);
             LARGE_BUFFER.limit(LARGE_BUFFER.capacity());
             digest.update(LARGE_BUFFER);
@@ -169,11 +166,11 @@
     }
 
     @Test
-    public void timeLargeDirectByteBuffer() throws Exception {
+    @Parameters(method = "getData")
+    public void timeLargeDirectByteBuffer(Algorithm algorithm) throws Exception {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            MessageDigest digest =
-                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            MessageDigest digest = MessageDigest.getInstance(algorithm.toString(), mProvider);
             LARGE_DIRECT_BUFFER.position(0);
             LARGE_DIRECT_BUFFER.limit(LARGE_DIRECT_BUFFER.capacity());
             digest.update(LARGE_DIRECT_BUFFER);
@@ -182,11 +179,11 @@
     }
 
     @Test
-    public void timeSmallChunkOfLargeByteBuffer() throws Exception {
+    @Parameters(method = "getData")
+    public void timeSmallChunkOfLargeByteBuffer(Algorithm algorithm) throws Exception {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            MessageDigest digest =
-                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            MessageDigest digest = MessageDigest.getInstance(algorithm.toString(), mProvider);
             LARGE_BUFFER.position(LARGE_BUFFER.capacity() / 2);
             LARGE_BUFFER.limit(LARGE_BUFFER.position() + DATA_SIZE);
             digest.update(LARGE_BUFFER);
@@ -195,11 +192,11 @@
     }
 
     @Test
-    public void timeSmallChunkOfLargeDirectByteBuffer() throws Exception {
+    @Parameters(method = "getData")
+    public void timeSmallChunkOfLargeDirectByteBuffer(Algorithm algorithm) throws Exception {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            MessageDigest digest =
-                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            MessageDigest digest = MessageDigest.getInstance(algorithm.toString(), mProvider);
             LARGE_DIRECT_BUFFER.position(LARGE_DIRECT_BUFFER.capacity() / 2);
             LARGE_DIRECT_BUFFER.limit(LARGE_DIRECT_BUFFER.position() + DATA_SIZE);
             digest.update(LARGE_DIRECT_BUFFER);
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/MutableIntPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/MutableIntPerfTest.java
index 37bd73c..d9d4bb5 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/MutableIntPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/MutableIntPerfTest.java
@@ -20,17 +20,18 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.concurrent.atomic.AtomicInteger;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public final class MutableIntPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
@@ -96,29 +97,28 @@
         abstract int timeGet(BenchmarkState state);
     }
 
-    @Parameters(name = "mKind={0}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(new Object[][] {{Kind.ARRAY}, {Kind.ATOMIC}});
     }
 
-    @Parameterized.Parameter(0)
-    public Kind mKind;
-
     @Test
-    public void timeCreate() {
+    @Parameters(method = "getData")
+    public void timeCreate(Kind kind) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        mKind.timeCreate(state);
+        kind.timeCreate(state);
     }
 
     @Test
-    public void timeIncrement() {
+    @Parameters(method = "getData")
+    public void timeIncrement(Kind kind) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        mKind.timeIncrement(state);
+        kind.timeIncrement(state);
     }
 
     @Test
-    public void timeGet() {
+    @Parameters(method = "getData")
+    public void timeGet(Kind kind) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        mKind.timeGet(state);
+        kind.timeGet(state);
     }
 }
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/PriorityQueuePerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/PriorityQueuePerfTest.java
index 8801a56..48450b4 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/PriorityQueuePerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/PriorityQueuePerfTest.java
@@ -20,12 +20,12 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
-import org.junit.Before;
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -35,13 +35,12 @@
 import java.util.PriorityQueue;
 import java.util.Random;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class PriorityQueuePerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "mQueueSize={0}, mHitRate={1}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {100, 0},
@@ -62,26 +61,19 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public int mQueueSize;
-
-    @Parameterized.Parameter(1)
-    public int mHitRate;
-
     private PriorityQueue<Integer> mPq;
     private PriorityQueue<Integer> mUsepq;
     private List<Integer> mSeekElements;
     private Random mRandom = new Random(189279387L);
 
-    @Before
-    public void setUp() throws Exception {
+    public void setUp(int queueSize, int hitRate) throws Exception {
         mPq = new PriorityQueue<Integer>();
         mUsepq = new PriorityQueue<Integer>();
         mSeekElements = new ArrayList<Integer>();
         List<Integer> allElements = new ArrayList<Integer>();
-        int numShared = (int) (mQueueSize * ((double) mHitRate / 100));
-        // the total number of elements we require to engineer a hit rate of mHitRate%
-        int totalElements = 2 * mQueueSize - numShared;
+        int numShared = (int) (queueSize * ((double) hitRate / 100));
+        // the total number of elements we require to engineer a hit rate of hitRate%
+        int totalElements = 2 * queueSize - numShared;
         for (int i = 0; i < totalElements; i++) {
             allElements.add(i);
         }
@@ -93,11 +85,11 @@
             mSeekElements.add(allElements.get(i));
         }
         // add priority queue only elements (these won't be touched)
-        for (int i = numShared; i < mQueueSize; i++) {
+        for (int i = numShared; i < queueSize; i++) {
             mPq.add(allElements.get(i));
         }
         // add non-priority queue elements (these will be misses)
-        for (int i = mQueueSize; i < totalElements; i++) {
+        for (int i = queueSize; i < totalElements; i++) {
             mSeekElements.add(allElements.get(i));
         }
         mUsepq = new PriorityQueue<Integer>(mPq);
@@ -107,16 +99,18 @@
     }
 
     @Test
-    public void timeRemove() {
+    @Parameters(method = "getData")
+    public void timeRemove(int queueSize, int hitRate) throws Exception {
+        setUp(queueSize, hitRate);
         boolean fake = false;
         int elementsSize = mSeekElements.size();
         // At most allow the queue to empty 10%.
-        int resizingThreshold = mQueueSize / 10;
+        int resizingThreshold = queueSize / 10;
         int i = 0;
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             // Reset queue every so often. This will be called more often for smaller
-            // mQueueSizes, but since a copy is linear, it will also cost proportionally
+            // queueSizes, but since a copy is linear, it will also cost proportionally
             // less, and hopefully it will approximately balance out.
             if (++i % resizingThreshold == 0) {
                 mUsepq = new PriorityQueue<Integer>(mPq);
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/SchemePrefixPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/SchemePrefixPerfTest.java
index 42dc581..5ad62de 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/SchemePrefixPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/SchemePrefixPerfTest.java
@@ -20,11 +20,12 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.util.Arrays;
 import java.util.Collection;
@@ -32,7 +33,7 @@
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public final class SchemePrefixPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
@@ -85,19 +86,16 @@
         abstract String execute(String spec);
     }
 
-    @Parameters(name = "mStrategy={0}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(new Object[][] {{Strategy.REGEX}, {Strategy.JAVA}});
     }
 
-    @Parameterized.Parameter(0)
-    public Strategy mStrategy;
-
     @Test
-    public void timeSchemePrefix() {
+    @Parameters(method = "getData")
+    public void timeSchemePrefix(Strategy strategy) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mStrategy.execute("http://android.com");
+            strategy.execute("http://android.com");
         }
     }
 }
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/SignaturePerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/SignaturePerfTest.java
index 96e7cb2..a9a0788 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/SignaturePerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/SignaturePerfTest.java
@@ -19,12 +19,12 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
-import org.junit.Before;
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.security.KeyPair;
 import java.security.KeyPairGenerator;
@@ -37,13 +37,12 @@
 import java.util.Map;
 
 /** Tests RSA and DSA mSignature creation and verification. */
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class SignaturePerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "mAlgorithm={0}, mImplementation={1}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {Algorithm.MD5WithRSA, Implementation.OpenSSL},
@@ -55,12 +54,6 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public Algorithm mAlgorithm;
-
-    @Parameterized.Parameter(1)
-    public Implementation mImplementation;
-
     private static final int DATA_SIZE = 8192;
     private static final byte[] DATA = new byte[DATA_SIZE];
 
@@ -94,9 +87,8 @@
     private PrivateKey mPrivateKey;
     private PublicKey mPublicKey;
 
-    @Before
-    public void setUp() throws Exception {
-        this.mSignatureAlgorithm = mAlgorithm.toString();
+    public void setUp(Algorithm algorithm) throws Exception {
+        this.mSignatureAlgorithm = algorithm.toString();
 
         String keyAlgorithm =
                 mSignatureAlgorithm.substring(
@@ -121,11 +113,13 @@
     }
 
     @Test
-    public void timeSign() throws Exception {
+    @Parameters(method = "getData")
+    public void timeSign(Algorithm algorithm, Implementation implementation) throws Exception {
+        setUp(algorithm);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             Signature signer;
-            switch (mImplementation) {
+            switch (implementation) {
                 case OpenSSL:
                     signer = Signature.getInstance(mSignatureAlgorithm, "AndroidOpenSSL");
                     break;
@@ -133,7 +127,7 @@
                     signer = Signature.getInstance(mSignatureAlgorithm, "BC");
                     break;
                 default:
-                    throw new RuntimeException(mImplementation.toString());
+                    throw new RuntimeException(implementation.toString());
             }
             signer.initSign(mPrivateKey);
             signer.update(DATA);
@@ -142,11 +136,13 @@
     }
 
     @Test
-    public void timeVerify() throws Exception {
+    @Parameters(method = "getData")
+    public void timeVerify(Algorithm algorithm, Implementation implementation) throws Exception {
+        setUp(algorithm);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             Signature verifier;
-            switch (mImplementation) {
+            switch (implementation) {
                 case OpenSSL:
                     verifier = Signature.getInstance(mSignatureAlgorithm, "AndroidOpenSSL");
                     break;
@@ -154,7 +150,7 @@
                     verifier = Signature.getInstance(mSignatureAlgorithm, "BC");
                     break;
                 default:
-                    throw new RuntimeException(mImplementation.toString());
+                    throw new RuntimeException(implementation.toString());
             }
             verifier.initVerify(mPublicKey);
             verifier.update(DATA);
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/StringPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/StringPerfTest.java
index 02194b1..36db014 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/StringPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/StringPerfTest.java
@@ -20,16 +20,17 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.util.Arrays;
 import java.util.Collection;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class StringPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
@@ -46,8 +47,7 @@
         }
     }
 
-    @Parameters(name = "mStringLengths={0}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {StringLengths.EIGHT_KI},
@@ -57,9 +57,6 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public StringLengths mStringLengths;
-
     private static String makeString(int length) {
         StringBuilder result = new StringBuilder(length);
         for (int i = 0; i < length; ++i) {
@@ -69,10 +66,11 @@
     }
 
     @Test
-    public void timeHashCode() {
+    @Parameters(method = "getData")
+    public void timeHashCode(StringLengths stringLengths) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mStringLengths.mValue.hashCode();
+            stringLengths.mValue.hashCode();
         }
     }
 }
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/StringReplaceAllPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/StringReplaceAllPerfTest.java
index b0d1ee4..5b4423a 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/StringReplaceAllPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/StringReplaceAllPerfTest.java
@@ -20,16 +20,17 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.util.Arrays;
 import java.util.Collection;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class StringReplaceAllPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
@@ -69,8 +70,7 @@
         return stringBuilder.toString();
     }
 
-    @Parameters(name = "mStringLengths={0}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {StringLengths.BOOT_IMAGE},
@@ -82,30 +82,30 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public StringLengths mStringLengths;
-
     @Test
-    public void timeReplaceAllTrivialPatternNonExistent() {
+    @Parameters(method = "getData")
+    public void timeReplaceAllTrivialPatternNonExistent(StringLengths stringLengths) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mStringLengths.mValue.replaceAll("fish", "0");
+            stringLengths.mValue.replaceAll("fish", "0");
         }
     }
 
     @Test
-    public void timeReplaceTrivialPatternAllRepeated() {
+    @Parameters(method = "getData")
+    public void timeReplaceTrivialPatternAllRepeated(StringLengths stringLengths) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mStringLengths.mValue.replaceAll("jklm", "0");
+            stringLengths.mValue.replaceAll("jklm", "0");
         }
     }
 
     @Test
-    public void timeReplaceAllTrivialPatternSingleOccurrence() {
+    @Parameters(method = "getData")
+    public void timeReplaceAllTrivialPatternSingleOccurrence(StringLengths stringLengths) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mStringLengths.mValue.replaceAll("qrst", "0");
+            stringLengths.mValue.replaceAll("qrst", "0");
         }
     }
 }
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/StringReplacePerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/StringReplacePerfTest.java
index d2e657a..4d5c792 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/StringReplacePerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/StringReplacePerfTest.java
@@ -20,16 +20,17 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.util.Arrays;
 import java.util.Collection;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class StringReplacePerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
@@ -64,8 +65,7 @@
         return stringBuilder.toString();
     }
 
-    @Parameters(name = "mStringLengths={0}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {StringLengths.EMPTY},
@@ -76,54 +76,57 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public StringLengths mStringLengths;
-
     @Test
-    public void timeReplaceCharNonExistent() {
+    @Parameters(method = "getData")
+    public void timeReplaceCharNonExistent(StringLengths stringLengths) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mStringLengths.mValue.replace('z', '0');
+            stringLengths.mValue.replace('z', '0');
         }
     }
 
     @Test
-    public void timeReplaceCharRepeated() {
+    @Parameters(method = "getData")
+    public void timeReplaceCharRepeated(StringLengths stringLengths) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mStringLengths.mValue.replace('a', '0');
+            stringLengths.mValue.replace('a', '0');
         }
     }
 
     @Test
-    public void timeReplaceSingleChar() {
+    @Parameters(method = "getData")
+    public void timeReplaceSingleChar(StringLengths stringLengths) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mStringLengths.mValue.replace('q', '0');
+            stringLengths.mValue.replace('q', '0');
         }
     }
 
     @Test
-    public void timeReplaceSequenceNonExistent() {
+    @Parameters(method = "getData")
+    public void timeReplaceSequenceNonExistent(StringLengths stringLengths) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mStringLengths.mValue.replace("fish", "0");
+            stringLengths.mValue.replace("fish", "0");
         }
     }
 
     @Test
-    public void timeReplaceSequenceRepeated() {
+    @Parameters(method = "getData")
+    public void timeReplaceSequenceRepeated(StringLengths stringLengths) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mStringLengths.mValue.replace("jklm", "0");
+            stringLengths.mValue.replace("jklm", "0");
         }
     }
 
     @Test
-    public void timeReplaceSingleSequence() {
+    @Parameters(method = "getData")
+    public void timeReplaceSingleSequence(StringLengths stringLengths) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mStringLengths.mValue.replace("qrst", "0");
+            stringLengths.mValue.replace("qrst", "0");
         }
     }
 }
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/StringToBytesPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/StringToBytesPerfTest.java
index 1efc188..c004d95 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/StringToBytesPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/StringToBytesPerfTest.java
@@ -20,17 +20,18 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
 import java.util.Collection;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class StringToBytesPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
@@ -53,8 +54,7 @@
         }
     }
 
-    @Parameters(name = "mStringLengths={0}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {StringLengths.EMPTY},
@@ -69,9 +69,6 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public StringLengths mStringLengths;
-
     private static String makeString(int length) {
         char[] chars = new char[length];
         for (int i = 0; i < length; ++i) {
@@ -89,26 +86,29 @@
     }
 
     @Test
-    public void timeGetBytesUtf8() {
+    @Parameters(method = "getData")
+    public void timeGetBytesUtf8(StringLengths stringLengths) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mStringLengths.mValue.getBytes(StandardCharsets.UTF_8);
+            stringLengths.mValue.getBytes(StandardCharsets.UTF_8);
         }
     }
 
     @Test
-    public void timeGetBytesIso88591() {
+    @Parameters(method = "getData")
+    public void timeGetBytesIso88591(StringLengths stringLengths) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mStringLengths.mValue.getBytes(StandardCharsets.ISO_8859_1);
+            stringLengths.mValue.getBytes(StandardCharsets.ISO_8859_1);
         }
     }
 
     @Test
-    public void timeGetBytesAscii() {
+    @Parameters(method = "getData")
+    public void timeGetBytesAscii(StringLengths stringLengths) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            mStringLengths.mValue.getBytes(StandardCharsets.US_ASCII);
+            stringLengths.mValue.getBytes(StandardCharsets.US_ASCII);
         }
     }
 }
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/StringToRealPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/StringToRealPerfTest.java
index b01948a..15516fc 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/StringToRealPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/StringToRealPerfTest.java
@@ -20,22 +20,22 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 
 import java.util.Arrays;
 import java.util.Collection;
 
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public class StringToRealPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "mString={0}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {"NaN"},
@@ -49,22 +49,21 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public String mString;
-
     @Test
-    public void timeFloat_parseFloat() {
+    @Parameters(method = "getData")
+    public void timeFloat_parseFloat(String string) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            Float.parseFloat(mString);
+            Float.parseFloat(string);
         }
     }
 
     @Test
-    public void timeDouble_parseDouble() {
+    @Parameters(method = "getData")
+    public void timeDouble_parseDouble(String string) {
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
-            Double.parseDouble(mString);
+            Double.parseDouble(string);
         }
     }
 }
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/XMLEntitiesPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/XMLEntitiesPerfTest.java
index 2ea834d..ae1e8bc 100644
--- a/apct-tests/perftests/core/src/android/libcore/regression/XMLEntitiesPerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/regression/XMLEntitiesPerfTest.java
@@ -20,12 +20,12 @@
 import android.perftests.utils.PerfStatusReporter;
 import android.test.suitebuilder.annotation.LargeTest;
 
-import org.junit.Before;
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
 import org.xml.sax.InputSource;
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserFactory;
@@ -38,13 +38,12 @@
 import javax.xml.parsers.DocumentBuilderFactory;
 
 // http://code.google.com/p/android/issues/detail?id=18102
-@RunWith(Parameterized.class)
+@RunWith(JUnitParamsRunner.class)
 @LargeTest
 public final class XMLEntitiesPerfTest {
     @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
 
-    @Parameters(name = "mLength={0}, mEntityFraction={1}")
-    public static Collection<Object[]> data() {
+    public static Collection<Object[]> getData() {
         return Arrays.asList(
                 new Object[][] {
                     {10, 0},
@@ -59,29 +58,22 @@
                 });
     }
 
-    @Parameterized.Parameter(0)
-    public int mLength;
-
-    @Parameterized.Parameter(1)
-    public float mEntityFraction;
-
     private XmlPullParserFactory mXmlPullParserFactory;
     private DocumentBuilderFactory mDocumentBuilderFactory;
 
     /** a string like {@code <doc>&amp;&amp;++</doc>}. */
     private String mXml;
 
-    @Before
-    public void setUp() throws Exception {
+    public void setUp(int length, float entityFraction) throws Exception {
         mXmlPullParserFactory = XmlPullParserFactory.newInstance();
         mDocumentBuilderFactory = DocumentBuilderFactory.newInstance();
 
         StringBuilder xmlBuilder = new StringBuilder();
         xmlBuilder.append("<doc>");
-        for (int i = 0; i < (mLength * mEntityFraction); i++) {
+        for (int i = 0; i < (length * entityFraction); i++) {
             xmlBuilder.append("&amp;");
         }
-        while (xmlBuilder.length() < mLength) {
+        while (xmlBuilder.length() < length) {
             xmlBuilder.append("+");
         }
         xmlBuilder.append("</doc>");
@@ -89,7 +81,9 @@
     }
 
     @Test
-    public void timeXmlParser() throws Exception {
+    @Parameters(method = "getData")
+    public void timeXmlParser(int length, float entityFraction) throws Exception {
+        setUp(length, entityFraction);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             XmlPullParser parser = mXmlPullParserFactory.newPullParser();
@@ -101,7 +95,9 @@
     }
 
     @Test
-    public void timeDocumentBuilder() throws Exception {
+    @Parameters(method = "getData")
+    public void timeDocumentBuilder(int length, float entityFraction) throws Exception {
+        setUp(length, entityFraction);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             DocumentBuilder documentBuilder = mDocumentBuilderFactory.newDocumentBuilder();
diff --git a/core/api/module-lib-current.txt b/core/api/module-lib-current.txt
index 81e1c18..9b556d8 100644
--- a/core/api/module-lib-current.txt
+++ b/core/api/module-lib-current.txt
@@ -348,6 +348,7 @@
   }
 
   public final class ServiceManager {
+    method @NonNull public static String[] getDeclaredInstances(@NonNull String);
     method public static boolean isDeclared(@NonNull String);
     method @Nullable public static android.os.IBinder waitForDeclaredService(@NonNull String);
   }
diff --git a/core/java/android/app/OWNERS b/core/java/android/app/OWNERS
index 7103806..8ec313ec 100644
--- a/core/java/android/app/OWNERS
+++ b/core/java/android/app/OWNERS
@@ -30,7 +30,7 @@
 per-file Service* = file:/services/core/java/com/android/server/am/OWNERS
 per-file SystemServiceRegistry.java = file:/services/core/java/com/android/server/am/OWNERS
 per-file *UserSwitchObserver* = file:/services/core/java/com/android/server/am/OWNERS
-per-file UiAutomation* = file:/services/accessibility/OWNERS
+per-file *UiAutomation* = file:/services/accessibility/OWNERS
 per-file GameManager* = file:/GAME_MANAGER_OWNERS
 per-file GameMode* = file:/GAME_MANAGER_OWNERS
 per-file GameState* = file:/GAME_MANAGER_OWNERS
diff --git a/core/java/android/nfc/NfcAdapter.java b/core/java/android/nfc/NfcAdapter.java
index 64c1211..3282d56 100644
--- a/core/java/android/nfc/NfcAdapter.java
+++ b/core/java/android/nfc/NfcAdapter.java
@@ -29,7 +29,6 @@
 import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.IntentFilter;
-import android.content.pm.IPackageManager;
 import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.nfc.tech.MifareClassic;
@@ -525,66 +524,6 @@
     }
 
     /**
-     * Helper to check if this device has FEATURE_NFC_BEAM, but without using
-     * a context.
-     * Equivalent to
-     * context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_NFC_BEAM)
-     */
-    private static boolean hasBeamFeature() {
-        IPackageManager pm = ActivityThread.getPackageManager();
-        if (pm == null) {
-            Log.e(TAG, "Cannot get package manager, assuming no Android Beam feature");
-            return false;
-        }
-        try {
-            return pm.hasSystemFeature(PackageManager.FEATURE_NFC_BEAM, 0);
-        } catch (RemoteException e) {
-            Log.e(TAG, "Package manager query failed, assuming no Android Beam feature", e);
-            return false;
-        }
-    }
-
-    /**
-     * Helper to check if this device has FEATURE_NFC, but without using
-     * a context.
-     * Equivalent to
-     * context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_NFC)
-     */
-    private static boolean hasNfcFeature() {
-        IPackageManager pm = ActivityThread.getPackageManager();
-        if (pm == null) {
-            Log.e(TAG, "Cannot get package manager, assuming no NFC feature");
-            return false;
-        }
-        try {
-            return pm.hasSystemFeature(PackageManager.FEATURE_NFC, 0);
-        } catch (RemoteException e) {
-            Log.e(TAG, "Package manager query failed, assuming no NFC feature", e);
-            return false;
-        }
-    }
-
-    /**
-     * Helper to check if this device is NFC HCE capable, by checking for
-     * FEATURE_NFC_HOST_CARD_EMULATION and/or FEATURE_NFC_HOST_CARD_EMULATION_NFCF,
-     * but without using a context.
-     */
-    private static boolean hasNfcHceFeature() {
-        IPackageManager pm = ActivityThread.getPackageManager();
-        if (pm == null) {
-            Log.e(TAG, "Cannot get package manager, assuming no NFC feature");
-            return false;
-        }
-        try {
-            return pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION, 0)
-                || pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION_NFCF, 0);
-        } catch (RemoteException e) {
-            Log.e(TAG, "Package manager query failed, assuming no NFC feature", e);
-            return false;
-        }
-    }
-
-    /**
      * Return list of Secure Elements which support off host card emulation.
      *
      * @return List<String> containing secure elements on the device which supports
@@ -593,23 +532,21 @@
      * @hide
      */
     public @NonNull List<String> getSupportedOffHostSecureElements() {
+        if (mContext == null) {
+            throw new UnsupportedOperationException("You need a context on NfcAdapter to use the "
+                    + " getSupportedOffHostSecureElements APIs");
+        }
         List<String> offHostSE = new ArrayList<String>();
-        IPackageManager pm = ActivityThread.getPackageManager();
+        PackageManager pm = mContext.getPackageManager();
         if (pm == null) {
             Log.e(TAG, "Cannot get package manager, assuming no off-host CE feature");
             return offHostSE;
         }
-        try {
-            if (pm.hasSystemFeature(PackageManager.FEATURE_NFC_OFF_HOST_CARD_EMULATION_UICC, 0)) {
-                offHostSE.add("SIM");
-            }
-            if (pm.hasSystemFeature(PackageManager.FEATURE_NFC_OFF_HOST_CARD_EMULATION_ESE, 0)) {
-                offHostSE.add("eSE");
-            }
-        } catch (RemoteException e) {
-            Log.e(TAG, "Package manager query failed, assuming no off-host CE feature", e);
-            offHostSE.clear();
-            return offHostSE;
+        if (pm.hasSystemFeature(PackageManager.FEATURE_NFC_OFF_HOST_CARD_EMULATION_UICC)) {
+            offHostSE.add("SIM");
+        }
+        if (pm.hasSystemFeature(PackageManager.FEATURE_NFC_OFF_HOST_CARD_EMULATION_ESE)) {
+            offHostSE.add("eSE");
         }
         return offHostSE;
     }
@@ -621,10 +558,19 @@
      */
     @UnsupportedAppUsage
     public static synchronized NfcAdapter getNfcAdapter(Context context) {
+        if (context == null) {
+            if (sNullContextNfcAdapter == null) {
+                sNullContextNfcAdapter = new NfcAdapter(null);
+            }
+            return sNullContextNfcAdapter;
+        }
         if (!sIsInitialized) {
-            sHasNfcFeature = hasNfcFeature();
-            sHasBeamFeature = hasBeamFeature();
-            boolean hasHceFeature = hasNfcHceFeature();
+            PackageManager pm = context.getPackageManager();
+            sHasNfcFeature = pm.hasSystemFeature(PackageManager.FEATURE_NFC);
+            sHasBeamFeature = pm.hasSystemFeature(PackageManager.FEATURE_NFC_BEAM);
+            boolean hasHceFeature =
+                    pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION)
+                    || pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION_NFCF);
             /* is this device meant to have NFC */
             if (!sHasNfcFeature && !hasHceFeature) {
                 Log.v(TAG, "this device does not have NFC support");
@@ -660,12 +606,6 @@
 
             sIsInitialized = true;
         }
-        if (context == null) {
-            if (sNullContextNfcAdapter == null) {
-                sNullContextNfcAdapter = new NfcAdapter(null);
-            }
-            return sNullContextNfcAdapter;
-        }
         NfcAdapter adapter = sNfcAdapters.get(context);
         if (adapter == null) {
             adapter = new NfcAdapter(context);
@@ -676,8 +616,12 @@
 
     /** get handle to NFC service interface */
     private static INfcAdapter getServiceInterface() {
+        if (!sHasNfcFeature) {
+            /* NFC is not supported */
+            return null;
+        }
         /* get a handle to NFC service */
-        IBinder b = ServiceManager.getService("nfc");
+        IBinder b = ServiceManager.waitForService("nfc");
         if (b == null) {
             return null;
         }
@@ -707,6 +651,15 @@
                     "context not associated with any application (using a mock context?)");
         }
 
+        synchronized (NfcAdapter.class) {
+            if (!sIsInitialized) {
+                PackageManager pm = context.getPackageManager();
+                sHasNfcFeature = pm.hasSystemFeature(PackageManager.FEATURE_NFC);
+            }
+            if (!sHasNfcFeature) {
+                return null;
+            }
+        }
         if (getServiceInterface() == null) {
             // NFC is not available
             return null;
diff --git a/core/java/android/nfc/cardemulation/CardEmulation.java b/core/java/android/nfc/cardemulation/CardEmulation.java
index 0b56d19..6a42091 100644
--- a/core/java/android/nfc/cardemulation/CardEmulation.java
+++ b/core/java/android/nfc/cardemulation/CardEmulation.java
@@ -22,11 +22,9 @@
 import android.annotation.SdkConstant;
 import android.annotation.SdkConstant.SdkConstantType;
 import android.app.Activity;
-import android.app.ActivityThread;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
-import android.content.pm.IPackageManager;
 import android.content.pm.PackageManager;
 import android.nfc.INfcCardEmulation;
 import android.nfc.NfcAdapter;
@@ -158,18 +156,13 @@
             throw new UnsupportedOperationException();
         }
         if (!sIsInitialized) {
-            IPackageManager pm = ActivityThread.getPackageManager();
+            PackageManager pm = context.getPackageManager();
             if (pm == null) {
                 Log.e(TAG, "Cannot get PackageManager");
                 throw new UnsupportedOperationException();
             }
-            try {
-                if (!pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION, 0)) {
-                    Log.e(TAG, "This device does not support card emulation");
-                    throw new UnsupportedOperationException();
-                }
-            } catch (RemoteException e) {
-                Log.e(TAG, "PackageManager query failed.");
+            if (!pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION)) {
+                Log.e(TAG, "This device does not support card emulation");
                 throw new UnsupportedOperationException();
             }
             sIsInitialized = true;
diff --git a/core/java/android/nfc/cardemulation/NfcFCardEmulation.java b/core/java/android/nfc/cardemulation/NfcFCardEmulation.java
index 3c92455..48bbf5b6 100644
--- a/core/java/android/nfc/cardemulation/NfcFCardEmulation.java
+++ b/core/java/android/nfc/cardemulation/NfcFCardEmulation.java
@@ -17,10 +17,8 @@
 package android.nfc.cardemulation;
 
 import android.app.Activity;
-import android.app.ActivityThread;
 import android.content.ComponentName;
 import android.content.Context;
-import android.content.pm.IPackageManager;
 import android.content.pm.PackageManager;
 import android.nfc.INfcFCardEmulation;
 import android.nfc.NfcAdapter;
@@ -70,18 +68,13 @@
             throw new UnsupportedOperationException();
         }
         if (!sIsInitialized) {
-            IPackageManager pm = ActivityThread.getPackageManager();
+            PackageManager pm = context.getPackageManager();
             if (pm == null) {
                 Log.e(TAG, "Cannot get PackageManager");
                 throw new UnsupportedOperationException();
             }
-            try {
-                if (!pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION_NFCF, 0)) {
-                    Log.e(TAG, "This device does not support NFC-F card emulation");
-                    throw new UnsupportedOperationException();
-                }
-            } catch (RemoteException e) {
-                Log.e(TAG, "PackageManager query failed.");
+            if (!pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION_NFCF)) {
+                Log.e(TAG, "This device does not support NFC-F card emulation");
                 throw new UnsupportedOperationException();
             }
             sIsInitialized = true;
diff --git a/core/java/android/os/BinderProxy.java b/core/java/android/os/BinderProxy.java
index 6330661..1929a4d 100644
--- a/core/java/android/os/BinderProxy.java
+++ b/core/java/android/os/BinderProxy.java
@@ -536,8 +536,8 @@
             mWarnOnBlocking = false;
             warnOnBlocking = false;
 
-            if (Build.IS_USERDEBUG) {
-                // Log this as a WTF on userdebug builds.
+            if (Build.IS_USERDEBUG || Build.IS_ENG) {
+                // Log this as a WTF on userdebug and eng builds.
                 Log.wtf(Binder.TAG,
                         "Outgoing transactions from this process must be FLAG_ONEWAY",
                         new Throwable());
diff --git a/core/java/android/os/ServiceManager.java b/core/java/android/os/ServiceManager.java
index ba5ed43..9ea4278 100644
--- a/core/java/android/os/ServiceManager.java
+++ b/core/java/android/os/ServiceManager.java
@@ -258,12 +258,14 @@
      * waitForService should always be able to return the service.
      * @hide
      */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    @NonNull
     public static String[] getDeclaredInstances(@NonNull String iface) {
         try {
             return getIServiceManager().getDeclaredInstances(iface);
         } catch (RemoteException e) {
             Log.e(TAG, "error in getDeclaredInstances", e);
-            return null;
+            throw e.rethrowFromSystemServer();
         }
     }
 
diff --git a/core/java/android/util/OWNERS b/core/java/android/util/OWNERS
index d4cf6e6..3772006 100644
--- a/core/java/android/util/OWNERS
+++ b/core/java/android/util/OWNERS
@@ -1,6 +1,6 @@
 per-file Dump* = file:/core/java/com/android/internal/util/dump/OWNERS
 per-file FeatureFlagUtils.java = sbasi@google.com
-per-file FeatureFlagUtils.java = tmfang@google.com
+per-file FeatureFlagUtils.java = edgarwang@google.com
 
 per-file AttributeSet.java = file:/core/java/android/content/res/OWNERS
 per-file TypedValue.java = file:/core/java/android/content/res/OWNERS
diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp
index 6b73648..949f363 100644
--- a/core/jni/AndroidRuntime.cpp
+++ b/core/jni/AndroidRuntime.cpp
@@ -19,6 +19,7 @@
 #define LOG_NDEBUG 1
 
 #include <android-base/macros.h>
+#include <android-base/parsebool.h>
 #include <android-base/properties.h>
 #include <android/graphics/jni_runtime.h>
 #include <android_runtime/AndroidRuntime.h>
@@ -52,6 +53,8 @@
 using namespace android;
 using android::base::GetBoolProperty;
 using android::base::GetProperty;
+using android::base::ParseBool;
+using android::base::ParseBoolResult;
 
 extern int register_android_os_Binder(JNIEnv* env);
 extern int register_android_os_Process(JNIEnv* env);
@@ -701,17 +704,24 @@
 
     // Read if we are using the profile configuration, do this at the start since the last ART args
     // take precedence.
-    property_get("dalvik.vm.profilebootclasspath", propBuf, "");
-    std::string profile_boot_class_path_flag = propBuf;
-    // Empty means the property is unset and we should default to the phenotype property.
-    // The possible values are {"true", "false", ""}
-    if (profile_boot_class_path_flag.empty()) {
-        profile_boot_class_path_flag = server_configurable_flags::GetServerConfigurableFlag(
-                RUNTIME_NATIVE_BOOT_NAMESPACE,
-                PROFILE_BOOT_CLASS_PATH,
-                /*default_value=*/ "");
+    std::string profile_boot_class_path_flag =
+            server_configurable_flags::GetServerConfigurableFlag(RUNTIME_NATIVE_BOOT_NAMESPACE,
+                                                                 PROFILE_BOOT_CLASS_PATH,
+                                                                 /*default_value=*/"");
+    bool profile_boot_class_path;
+    switch (ParseBool(profile_boot_class_path_flag)) {
+        case ParseBoolResult::kError:
+            // Default to the system property.
+            profile_boot_class_path =
+                    GetBoolProperty("dalvik.vm.profilebootclasspath", /*default_value=*/false);
+            break;
+        case ParseBoolResult::kTrue:
+            profile_boot_class_path = true;
+            break;
+        case ParseBoolResult::kFalse:
+            profile_boot_class_path = false;
+            break;
     }
-    const bool profile_boot_class_path = (profile_boot_class_path_flag == "true");
     if (profile_boot_class_path) {
         addOption("-Xcompiler-option");
         addOption("--count-hotness-in-compiled-code");
diff --git a/libs/androidfw/ZipUtils.cpp b/libs/androidfw/ZipUtils.cpp
index 58fc5bb..a1385f2 100644
--- a/libs/androidfw/ZipUtils.cpp
+++ b/libs/androidfw/ZipUtils.cpp
@@ -35,7 +35,7 @@
 using namespace android;
 
 // TODO: This can go away once the only remaining usage in aapt goes away.
-class FileReader : public zip_archive::Reader {
+class FileReader final : public zip_archive::Reader {
   public:
     explicit FileReader(FILE* fp) : Reader(), mFp(fp), mCurrentOffset(0) {
     }
@@ -66,7 +66,7 @@
     mutable off64_t mCurrentOffset;
 };
 
-class FdReader : public zip_archive::Reader {
+class FdReader final : public zip_archive::Reader {
   public:
     explicit FdReader(int fd) : mFd(fd) {
     }
@@ -79,7 +79,7 @@
     const int mFd;
 };
 
-class BufferReader : public zip_archive::Reader {
+class BufferReader final : public zip_archive::Reader {
   public:
     BufferReader(incfs::map_ptr<void> input, size_t inputSize) : Reader(),
         mInput(input.convert<uint8_t>()),
@@ -105,7 +105,7 @@
     const size_t mInputSize;
 };
 
-class BufferWriter : public zip_archive::Writer {
+class BufferWriter final : public zip_archive::Writer {
   public:
     BufferWriter(void* output, size_t outputSize) : Writer(),
         mOutput(reinterpret_cast<uint8_t*>(output)), mOutputSize(outputSize), mBytesWritten(0) {
diff --git a/libs/hwui/Android.bp b/libs/hwui/Android.bp
index ad9aa6c..33f7935 100644
--- a/libs/hwui/Android.bp
+++ b/libs/hwui/Android.bp
@@ -674,6 +674,7 @@
     srcs: [
         "tests/unit/main.cpp",
         "tests/unit/ABitmapTests.cpp",
+        "tests/unit/AutoBackendTextureReleaseTests.cpp",
         "tests/unit/CacheManagerTests.cpp",
         "tests/unit/CanvasContextTests.cpp",
         "tests/unit/CanvasOpTests.cpp",
diff --git a/libs/hwui/AutoBackendTextureRelease.cpp b/libs/hwui/AutoBackendTextureRelease.cpp
index ef5eacb..b656b6a 100644
--- a/libs/hwui/AutoBackendTextureRelease.cpp
+++ b/libs/hwui/AutoBackendTextureRelease.cpp
@@ -32,9 +32,17 @@
     bool createProtectedImage = 0 != (desc.usage & AHARDWAREBUFFER_USAGE_PROTECTED_CONTENT);
     GrBackendFormat backendFormat =
             GrAHardwareBufferUtils::GetBackendFormat(context, buffer, desc.format, false);
+    LOG_ALWAYS_FATAL_IF(!backendFormat.isValid(),
+                        __FILE__ " Invalid GrBackendFormat. GrBackendApi==%" PRIu32
+                                 ", AHardwareBuffer_Format==%" PRIu32 ".",
+                        static_cast<int>(context->backend()), desc.format);
     mBackendTexture = GrAHardwareBufferUtils::MakeBackendTexture(
             context, buffer, desc.width, desc.height, &mDeleteProc, &mUpdateProc, &mImageCtx,
             createProtectedImage, backendFormat, false);
+    LOG_ALWAYS_FATAL_IF(!mBackendTexture.isValid(),
+                        __FILE__ " Invalid GrBackendTexture. Width==%" PRIu32 ", height==%" PRIu32
+                                 ", protected==%d",
+                        desc.width, desc.height, createProtectedImage);
 }
 
 void AutoBackendTextureRelease::unref(bool releaseImage) {
@@ -74,13 +82,13 @@
     AHardwareBuffer_Desc desc;
     AHardwareBuffer_describe(buffer, &desc);
     SkColorType colorType = GrAHardwareBufferUtils::GetSkColorTypeFromBufferFormat(desc.format);
+    // The following ref will be counteracted by Skia calling releaseProc, either during
+    // MakeFromTexture if there is a failure, or later when SkImage is discarded. It must
+    // be called before MakeFromTexture, otherwise Skia may remove HWUI's ref on failure.
+    ref();
     mImage = SkImage::MakeFromTexture(
             context, mBackendTexture, kTopLeft_GrSurfaceOrigin, colorType, kPremul_SkAlphaType,
             uirenderer::DataSpaceToColorSpace(dataspace), releaseProc, this);
-    if (mImage.get()) {
-        // The following ref will be counteracted by releaseProc, when SkImage is discarded.
-        ref();
-    }
 }
 
 void AutoBackendTextureRelease::newBufferContent(GrDirectContext* context) {
diff --git a/libs/hwui/AutoBackendTextureRelease.h b/libs/hwui/AutoBackendTextureRelease.h
index c9bb767..f0eb2a8 100644
--- a/libs/hwui/AutoBackendTextureRelease.h
+++ b/libs/hwui/AutoBackendTextureRelease.h
@@ -25,6 +25,9 @@
 namespace android {
 namespace uirenderer {
 
+// Friend TestUtils serves as a proxy for any test cases that require access to private members.
+class TestUtils;
+
 /**
  * AutoBackendTextureRelease manages EglImage/VkImage lifetime. It is a ref-counted object
  * that keeps GPU resources alive until the last SkImage object using them is destroyed.
@@ -66,6 +69,9 @@
 
     // mImage is the SkImage created from mBackendTexture.
     sk_sp<SkImage> mImage;
+
+    // Friend TestUtils serves as a proxy for any test cases that require access to private members.
+    friend class TestUtils;
 };
 
 } /* namespace uirenderer */
diff --git a/libs/hwui/tests/common/TestUtils.h b/libs/hwui/tests/common/TestUtils.h
index 5092675..fcaa745 100644
--- a/libs/hwui/tests/common/TestUtils.h
+++ b/libs/hwui/tests/common/TestUtils.h
@@ -16,6 +16,7 @@
 
 #pragma once
 
+#include <AutoBackendTextureRelease.h>
 #include <DisplayList.h>
 #include <Matrix.h>
 #include <Properties.h>
@@ -283,6 +284,11 @@
     static SkRect getClipBounds(const SkCanvas* canvas);
     static SkRect getLocalClipBounds(const SkCanvas* canvas);
 
+    static int getUsageCount(const AutoBackendTextureRelease* textureRelease) {
+        EXPECT_NE(nullptr, textureRelease);
+        return textureRelease->mUsageCount;
+    }
+
     struct CallCounts {
         int sync = 0;
         int contextDestroyed = 0;
diff --git a/libs/hwui/tests/unit/AutoBackendTextureReleaseTests.cpp b/libs/hwui/tests/unit/AutoBackendTextureReleaseTests.cpp
new file mode 100644
index 0000000..2ec78a4
--- /dev/null
+++ b/libs/hwui/tests/unit/AutoBackendTextureReleaseTests.cpp
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+
+#include "AutoBackendTextureRelease.h"
+#include "tests/common/TestUtils.h"
+
+using namespace android;
+using namespace android::uirenderer;
+
+AHardwareBuffer* allocHardwareBuffer() {
+    AHardwareBuffer* buffer;
+    AHardwareBuffer_Desc desc = {
+            .width = 16,
+            .height = 16,
+            .layers = 1,
+            .format = AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM,
+            .usage = AHARDWAREBUFFER_USAGE_CPU_READ_RARELY | AHARDWAREBUFFER_USAGE_CPU_WRITE_RARELY,
+    };
+    constexpr int kSucceeded = 0;
+    int status = AHardwareBuffer_allocate(&desc, &buffer);
+    EXPECT_EQ(kSucceeded, status);
+    return buffer;
+}
+
+// Expands to AutoBackendTextureRelease_makeImage_invalid_RenderThreadTest,
+// set as friend in AutoBackendTextureRelease.h
+RENDERTHREAD_TEST(AutoBackendTextureRelease, makeImage_invalid) {
+    AHardwareBuffer* buffer = allocHardwareBuffer();
+    AutoBackendTextureRelease* textureRelease =
+            new AutoBackendTextureRelease(renderThread.getGrContext(), buffer);
+
+    EXPECT_EQ(1, TestUtils::getUsageCount(textureRelease));
+
+    // SkImage::MakeFromTexture should fail if given null GrDirectContext.
+    textureRelease->makeImage(buffer, HAL_DATASPACE_UNKNOWN, /*context = */ nullptr);
+
+    EXPECT_EQ(1, TestUtils::getUsageCount(textureRelease));
+
+    textureRelease->unref(true);
+    AHardwareBuffer_release(buffer);
+}
+
+// Expands to AutoBackendTextureRelease_makeImage_valid_RenderThreadTest,
+// set as friend in AutoBackendTextureRelease.h
+RENDERTHREAD_TEST(AutoBackendTextureRelease, makeImage_valid) {
+    AHardwareBuffer* buffer = allocHardwareBuffer();
+    AutoBackendTextureRelease* textureRelease =
+            new AutoBackendTextureRelease(renderThread.getGrContext(), buffer);
+
+    EXPECT_EQ(1, TestUtils::getUsageCount(textureRelease));
+
+    textureRelease->makeImage(buffer, HAL_DATASPACE_UNKNOWN, renderThread.getGrContext());
+
+    EXPECT_EQ(2, TestUtils::getUsageCount(textureRelease));
+
+    textureRelease->unref(true);
+    AHardwareBuffer_release(buffer);
+}
diff --git a/packages/SettingsLib/OWNERS b/packages/SettingsLib/OWNERS
index 8eafbdf..24bb3a7 100644
--- a/packages/SettingsLib/OWNERS
+++ b/packages/SettingsLib/OWNERS
@@ -3,9 +3,9 @@
 edgarwang@google.com
 emilychuang@google.com
 evanlaird@google.com
+hanxu@google.com
 juliacr@google.com
 leifhendrik@google.com
-tmfang@google.com
 virgild@google.com
 
 # Exempt resource files (because they are in a flat directory and too hard to manage via OWNERS)
diff --git a/services/core/java/com/android/server/DynamicSystemService.java b/services/core/java/com/android/server/DynamicSystemService.java
index ce0e69c..27215b2 100644
--- a/services/core/java/com/android/server/DynamicSystemService.java
+++ b/services/core/java/com/android/server/DynamicSystemService.java
@@ -77,6 +77,8 @@
     @Override
     @EnforcePermission(android.Manifest.permission.MANAGE_DYNAMIC_SYSTEM)
     public boolean startInstallation(String dsuSlot) throws RemoteException {
+        super.startInstallation_enforcePermission();
+
         IGsiService service = getGsiService();
         mGsiService = service;
         // priority from high to low: sysprop -> sdcard -> /data
@@ -124,6 +126,8 @@
     @Override
     @EnforcePermission(android.Manifest.permission.MANAGE_DYNAMIC_SYSTEM)
     public int createPartition(String name, long size, boolean readOnly) throws RemoteException {
+        super.createPartition_enforcePermission();
+
         IGsiService service = getGsiService();
         int status = service.createPartition(name, size, readOnly);
         if (status != IGsiService.INSTALL_OK) {
@@ -135,6 +139,8 @@
     @Override
     @EnforcePermission(android.Manifest.permission.MANAGE_DYNAMIC_SYSTEM)
     public boolean closePartition() throws RemoteException {
+        super.closePartition_enforcePermission();
+
         IGsiService service = getGsiService();
         if (service.closePartition() != 0) {
             Slog.i(TAG, "Partition installation completes with error");
@@ -146,6 +152,8 @@
     @Override
     @EnforcePermission(android.Manifest.permission.MANAGE_DYNAMIC_SYSTEM)
     public boolean finishInstallation() throws RemoteException {
+        super.finishInstallation_enforcePermission();
+
         IGsiService service = getGsiService();
         if (service.closeInstall() != 0) {
             Slog.i(TAG, "Failed to finish installation");
@@ -157,12 +165,16 @@
     @Override
     @EnforcePermission(android.Manifest.permission.MANAGE_DYNAMIC_SYSTEM)
     public GsiProgress getInstallationProgress() throws RemoteException {
+        super.getInstallationProgress_enforcePermission();
+
         return getGsiService().getInstallProgress();
     }
 
     @Override
     @EnforcePermission(android.Manifest.permission.MANAGE_DYNAMIC_SYSTEM)
     public boolean abort() throws RemoteException {
+        super.abort_enforcePermission();
+
         return getGsiService().cancelGsiInstall();
     }
 
@@ -183,12 +195,16 @@
     @Override
     @EnforcePermission(android.Manifest.permission.MANAGE_DYNAMIC_SYSTEM)
     public boolean isEnabled() throws RemoteException {
+        super.isEnabled_enforcePermission();
+
         return getGsiService().isGsiEnabled();
     }
 
     @Override
     @EnforcePermission(android.Manifest.permission.MANAGE_DYNAMIC_SYSTEM)
     public boolean remove() throws RemoteException {
+        super.remove_enforcePermission();
+
         try {
             GsiServiceCallback callback = new GsiServiceCallback();
             synchronized (callback) {
@@ -205,6 +221,8 @@
     @Override
     @EnforcePermission(android.Manifest.permission.MANAGE_DYNAMIC_SYSTEM)
     public boolean setEnable(boolean enable, boolean oneShot) throws RemoteException {
+        super.setEnable_enforcePermission();
+
         IGsiService gsiService = getGsiService();
         if (enable) {
             try {
@@ -229,6 +247,8 @@
     @Override
     @EnforcePermission(android.Manifest.permission.MANAGE_DYNAMIC_SYSTEM)
     public boolean setAshmem(ParcelFileDescriptor ashmem, long size) {
+        super.setAshmem_enforcePermission();
+
         try {
             return getGsiService().setGsiAshmem(ashmem, size);
         } catch (RemoteException e) {
@@ -239,6 +259,8 @@
     @Override
     @EnforcePermission(android.Manifest.permission.MANAGE_DYNAMIC_SYSTEM)
     public boolean submitFromAshmem(long size) {
+        super.submitFromAshmem_enforcePermission();
+
         try {
             return getGsiService().commitGsiChunkFromAshmem(size);
         } catch (RemoteException e) {
@@ -249,6 +271,8 @@
     @Override
     @EnforcePermission(android.Manifest.permission.MANAGE_DYNAMIC_SYSTEM)
     public boolean getAvbPublicKey(AvbPublicKey dst) {
+        super.getAvbPublicKey_enforcePermission();
+
         try {
             return getGsiService().getAvbPublicKey(dst) == 0;
         } catch (RemoteException e) {
@@ -259,6 +283,8 @@
     @Override
     @EnforcePermission(android.Manifest.permission.MANAGE_DYNAMIC_SYSTEM)
     public long suggestScratchSize() throws RemoteException {
+        super.suggestScratchSize_enforcePermission();
+
         return getGsiService().suggestScratchSize();
     }
 }
diff --git a/services/core/java/com/android/server/SerialService.java b/services/core/java/com/android/server/SerialService.java
index e915fa1..ff903a0 100644
--- a/services/core/java/com/android/server/SerialService.java
+++ b/services/core/java/com/android/server/SerialService.java
@@ -37,6 +37,8 @@
 
     @EnforcePermission(android.Manifest.permission.SERIAL_PORT)
     public String[] getSerialPorts() {
+        super.getSerialPorts_enforcePermission();
+
         ArrayList<String> ports = new ArrayList<String>();
         for (int i = 0; i < mSerialPorts.length; i++) {
             String path = mSerialPorts[i];
@@ -51,6 +53,8 @@
 
     @EnforcePermission(android.Manifest.permission.SERIAL_PORT)
     public ParcelFileDescriptor openSerialPort(String path) {
+        super.openSerialPort_enforcePermission();
+
         for (int i = 0; i < mSerialPorts.length; i++) {
             if (mSerialPorts[i].equals(path)) {
                 return native_open(path);
diff --git a/services/core/java/com/android/server/cpu/OWNERS b/services/core/java/com/android/server/cpu/OWNERS
new file mode 100644
index 0000000..2f42363
--- /dev/null
+++ b/services/core/java/com/android/server/cpu/OWNERS
@@ -0,0 +1,4 @@
+# Bug component: 608533
+
+include platform/packages/services/Car:/OWNERS
+lakshmana@google.com
diff --git a/services/core/java/com/android/server/pm/BackgroundDexOptService.java b/services/core/java/com/android/server/pm/BackgroundDexOptService.java
index 5a01ccb..e411880 100644
--- a/services/core/java/com/android/server/pm/BackgroundDexOptService.java
+++ b/services/core/java/com/android/server/pm/BackgroundDexOptService.java
@@ -149,8 +149,6 @@
 
     @GuardedBy("mLock") @Status private int mLastExecutionStatus = STATUS_OK;
 
-    @GuardedBy("mLock") private long mLastExecutionStartTimeMs;
-    @GuardedBy("mLock") private long mLastExecutionDurationIncludingSleepMs;
     @GuardedBy("mLock") private long mLastExecutionStartUptimeMs;
     @GuardedBy("mLock") private long mLastExecutionDurationMs;
 
@@ -229,10 +227,6 @@
             writer.println(mFinishedPostBootUpdate);
             writer.print("mLastExecutionStatus:");
             writer.println(mLastExecutionStatus);
-            writer.print("mLastExecutionStartTimeMs:");
-            writer.println(mLastExecutionStartTimeMs);
-            writer.print("mLastExecutionDurationIncludingSleepMs:");
-            writer.println(mLastExecutionDurationIncludingSleepMs);
             writer.print("mLastExecutionStartUptimeMs:");
             writer.println(mLastExecutionStartUptimeMs);
             writer.print("mLastExecutionDurationMs:");
@@ -539,8 +533,6 @@
     private boolean runIdleOptimization(
             PackageManagerService pm, List<String> pkgs, boolean isPostBootUpdate) {
         synchronized (mLock) {
-            mLastExecutionStartTimeMs = SystemClock.elapsedRealtime();
-            mLastExecutionDurationIncludingSleepMs = -1;
             mLastExecutionStartUptimeMs = SystemClock.uptimeMillis();
             mLastExecutionDurationMs = -1;
         }
@@ -549,8 +541,6 @@
         logStatus(status);
         synchronized (mLock) {
             mLastExecutionStatus = status;
-            mLastExecutionDurationIncludingSleepMs =
-                    SystemClock.elapsedRealtime() - mLastExecutionStartTimeMs;
             mLastExecutionDurationMs = SystemClock.uptimeMillis() - mLastExecutionStartUptimeMs;
         }
 
@@ -954,10 +944,9 @@
         synchronized (mLock) {
             status = mLastExecutionStatus;
             durationMs = mLastExecutionDurationMs;
-            durationIncludingSleepMs = mLastExecutionDurationIncludingSleepMs;
         }
 
-        mStatsLogger.write(status, params.getStopReason(), durationMs, durationIncludingSleepMs);
+        mStatsLogger.write(status, params.getStopReason(), durationMs);
     }
 
     /** Injector pattern for testing purpose */
diff --git a/services/core/java/com/android/server/pm/dex/ArtStatsLogUtils.java b/services/core/java/com/android/server/pm/dex/ArtStatsLogUtils.java
index 905bcf9..1407530 100644
--- a/services/core/java/com/android/server/pm/dex/ArtStatsLogUtils.java
+++ b/services/core/java/com/android/server/pm/dex/ArtStatsLogUtils.java
@@ -320,12 +320,15 @@
     public static class BackgroundDexoptJobStatsLogger {
         /** Writes background dexopt job stats to statsd. */
         public void write(@BackgroundDexOptService.Status int status,
-                @JobParameters.StopReason int cancellationReason, long durationMs,
-                long durationIncludingSleepMs) {
-            ArtStatsLog.write(ArtStatsLog.BACKGROUND_DEXOPT_JOB_ENDED,
+                          @JobParameters.StopReason int cancellationReason,
+                          long durationMs) {
+            ArtStatsLog.write(
+                    ArtStatsLog.BACKGROUND_DEXOPT_JOB_ENDED,
                     STATUS_MAP.getOrDefault(status,
                             ArtStatsLog.BACKGROUND_DEXOPT_JOB_ENDED__STATUS__STATUS_UNKNOWN),
-                    cancellationReason, durationMs, durationIncludingSleepMs);
+                    cancellationReason,
+                    durationMs,
+                    0);  // deprecated, used to be durationIncludingSleepMs
         }
     }
 }
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index 3af6e18..2cf6608 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -3474,7 +3474,12 @@
                     @Override
                     public void onKeyguardExitResult(boolean success) {
                         if (success) {
-                            startDockOrHome(displayId, true /*fromHomeKey*/, awakenFromDreams);
+                            final long origId = Binder.clearCallingIdentity();
+                            try {
+                                startDockOrHome(displayId, true /*fromHomeKey*/, awakenFromDreams);
+                            } finally {
+                                Binder.restoreCallingIdentity(origId);
+                            }
                         }
                     }
                 });
diff --git a/telecomm/OWNERS b/telecomm/OWNERS
index eb0c432..dcaf858 100644
--- a/telecomm/OWNERS
+++ b/telecomm/OWNERS
@@ -4,3 +4,7 @@
 tgunn@google.com
 xiaotonj@google.com
 rgreenwalt@google.com
+chinmayd@google.com
+grantmenke@google.com
+pmadapurmath@google.com
+tjstuart@google.com
\ No newline at end of file
diff --git a/tests/utils/testutils/java/com/android/internal/util/test/BroadcastInterceptingContext.java b/tests/utils/testutils/java/com/android/internal/util/test/BroadcastInterceptingContext.java
index 3da8b46..133c176 100644
--- a/tests/utils/testutils/java/com/android/internal/util/test/BroadcastInterceptingContext.java
+++ b/tests/utils/testutils/java/com/android/internal/util/test/BroadcastInterceptingContext.java
@@ -147,12 +147,39 @@
 
     @Override
     public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter) {
-        return registerReceiver(receiver, filter, null, null);
+        return registerReceiver(receiver, filter, null, null, 0);
+    }
+
+    /**
+     * Registers the specified {@code receiver} to listen for broadcasts that match the {@code
+     * filter} in the current process.
+     *
+     * <p>Since this method only listens for broadcasts in the current process, the provided {@code
+     * flags} are ignored; this method is primarily intended to allow receivers that register with
+     * flags to register in the current process during tests.
+     */
+    @Override
+    public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter, int flags) {
+        return registerReceiver(receiver, filter, null, null, flags);
     }
 
     @Override
     public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter,
             String broadcastPermission, Handler scheduler) {
+        return registerReceiver(receiver, filter, broadcastPermission, scheduler, 0);
+    }
+
+    /**
+     * Registers the specified {@code receiver} to listen for broadcasts that match the {@code
+     * filter} to run in the context of the specified {@code scheduler} in the current process.
+     *
+     * <p>Since this method only listens for broadcasts in the current process, the provided {@code
+     * flags} are ignored; this method is primarily intended to allow receivers that register with
+     * flags to register in the current process during tests.
+     */
+    @Override
+    public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter,
+            String broadcastPermission, Handler scheduler, int flags) {
         synchronized (mInterceptors) {
             mInterceptors.add(new BroadcastInterceptor(receiver, filter, scheduler));
         }