Merge "Avoid string and varargs allocations for preconditions checks in hot methods" into main
diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index 12802e4..0436719 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -10583,7 +10583,7 @@
     method public final double readDouble();
     method public final java.util.ArrayList<java.lang.Double> readDoubleVector();
     method public final android.os.HwBlob readEmbeddedBuffer(long, long, long, boolean);
-    method @NonNull @Nullable public final android.os.HidlMemory readEmbeddedHidlMemory(long, long, long);
+    method @NonNull public final android.os.HidlMemory readEmbeddedHidlMemory(long, long, long);
     method @Nullable public final android.os.NativeHandle readEmbeddedNativeHandle(long, long);
     method public final float readFloat();
     method public final java.util.ArrayList<java.lang.Float> readFloatVector();
diff --git a/core/java/android/os/BatteryConsumer.java b/core/java/android/os/BatteryConsumer.java
index ca84b35..d5e9101 100644
--- a/core/java/android/os/BatteryConsumer.java
+++ b/core/java/android/os/BatteryConsumer.java
@@ -239,7 +239,7 @@
             new Dimensions(POWER_COMPONENT_ANY, PROCESS_STATE_ANY);
 
     /**
-     * Identifies power attribution dimensions that are captured by an data element of
+     * Identifies power attribution dimensions that are captured by a data element of
      * a BatteryConsumer. These Keys are used to access those values and to set them using
      * Builders.  See for example {@link #getConsumedPower(Key)}.
      *
diff --git a/core/java/android/os/BatteryStats.java b/core/java/android/os/BatteryStats.java
index 143983a..0ac2d27 100644
--- a/core/java/android/os/BatteryStats.java
+++ b/core/java/android/os/BatteryStats.java
@@ -1576,7 +1576,7 @@
                 outNumOfInterest[0] = numOfInterest;
             }
 
-            // The estimated time is the average time we spend in each level, multipled
+            // The estimated time is the average time we spend in each level, multiplied
             // by 100 -- the total number of battery levels
             return (total / numOfInterest) * 100;
         }
@@ -2023,7 +2023,7 @@
         public static final int EVENT_TOP = 0x0003;
         // Event is about active sync operations.
         public static final int EVENT_SYNC = 0x0004;
-        // Events for all additional wake locks aquired/release within a wake block.
+        // Events for all additional wake locks acquired/release within a wake block.
         // These are not generated by default.
         public static final int EVENT_WAKE_LOCK = 0x0005;
         // Event is about an application executing a scheduled job.
@@ -3389,7 +3389,7 @@
      * incoming service calls from apps.  The result is returned as an array of longs,
      * organized as a sequence like this:
      * <pre>
-     *     cluster1-speeed1, cluster1-speed2, ..., cluster2-speed1, cluster2-speed2, ...
+     *     cluster1-speed1, cluster1-speed2, ..., cluster2-speed1, cluster2-speed2, ...
      * </pre>
      *
      * @see com.android.internal.os.PowerProfile#getNumCpuClusters()
diff --git a/core/java/android/os/HwParcel.java b/core/java/android/os/HwParcel.java
index 9fd37d4..fb500a9 100644
--- a/core/java/android/os/HwParcel.java
+++ b/core/java/android/os/HwParcel.java
@@ -618,7 +618,7 @@
      */
     @FastNative
     @NonNull
-    public native final @Nullable
+    public native final
     HidlMemory readEmbeddedHidlMemory(long fieldHandle, long parentHandle, long offset);
 
     /**
diff --git a/core/java/android/os/health/HealthStatsWriter.java b/core/java/android/os/health/HealthStatsWriter.java
index d4d10b0..4118775 100644
--- a/core/java/android/os/health/HealthStatsWriter.java
+++ b/core/java/android/os/health/HealthStatsWriter.java
@@ -58,7 +58,7 @@
      * Construct a HealthStatsWriter object with the given constants.
      *
      * The "getDataType()" of the resulting HealthStats object will be the
-     * short name of the java class that the Constants object was initalized
+     * short name of the java class that the Constants object was initialized
      * with.
      */
     public HealthStatsWriter(HealthKeys.Constants constants) {
diff --git a/core/java/android/os/image/DynamicSystemClient.java b/core/java/android/os/image/DynamicSystemClient.java
index 88096ab..ada708b 100644
--- a/core/java/android/os/image/DynamicSystemClient.java
+++ b/core/java/android/os/image/DynamicSystemClient.java
@@ -52,7 +52,7 @@
  *
  * After the installation is completed, the device will be running in the new system on next the
  * reboot. Then, when the user reboots the device again, it will leave {@code DynamicSystem} and go
- * back to the original system. While running in {@code DynamicSystem}, persitent storage for
+ * back to the original system. While running in {@code DynamicSystem}, persistent storage for
  * factory reset protection (FRP) remains unchanged. Since the user is running the new system with
  * a temporarily created data partition, their original user data are kept unchanged.</p>
  *
diff --git a/core/java/android/os/image/DynamicSystemManager.java b/core/java/android/os/image/DynamicSystemManager.java
index 536795b..8ce87e9 100644
--- a/core/java/android/os/image/DynamicSystemManager.java
+++ b/core/java/android/os/image/DynamicSystemManager.java
@@ -172,7 +172,7 @@
         }
     }
     /**
-     * Finish a previously started installation. Installations without a cooresponding
+     * Finish a previously started installation. Installations without a corresponding
      * finishInstallation() will be cleaned up during device boot.
      */
     @RequiresPermission(android.Manifest.permission.MANAGE_DYNAMIC_SYSTEM)
diff --git a/core/java/android/os/storage/StorageManager.java b/core/java/android/os/storage/StorageManager.java
index 4c3f330..e4e67d4d 100644
--- a/core/java/android/os/storage/StorageManager.java
+++ b/core/java/android/os/storage/StorageManager.java
@@ -1393,7 +1393,7 @@
                 // Package name can be null if the activity thread is running but the app
                 // hasn't bound yet. In this case we fall back to the first package in the
                 // current UID. This works for runtime permissions as permission state is
-                // per UID and permission realted app ops are updated for all UID packages.
+                // per UID and permission related app ops are updated for all UID packages.
                 String[] packageNames = ActivityThread.getPackageManager().getPackagesForUid(
                         android.os.Process.myUid());
                 if (packageNames == null || packageNames.length <= 0) {
diff --git a/core/java/android/os/storage/StorageVolume.java b/core/java/android/os/storage/StorageVolume.java
index e1f112a..4cf2fd4 100644
--- a/core/java/android/os/storage/StorageVolume.java
+++ b/core/java/android/os/storage/StorageVolume.java
@@ -62,7 +62,7 @@
  * <li>To get access to standard directories (like the {@link Environment#DIRECTORY_PICTURES}), they
  * can use the {@link #createAccessIntent(String)}. This is the recommend way, since it provides a
  * simpler API and narrows the access to the given directory (and its descendants).
- * <li>To get access to any directory (and its descendants), they can use the Storage Acess
+ * <li>To get access to any directory (and its descendants), they can use the Storage Access
  * Framework APIs (such as {@link Intent#ACTION_OPEN_DOCUMENT} and
  * {@link Intent#ACTION_OPEN_DOCUMENT_TREE}, although these APIs do not guarantee the user will
  * select this specific volume.
diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
index 44c4b57..2adbaaa 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -1251,7 +1251,7 @@
                 if (isUidStateChangeRelevant(callbackInfo, procState, procStateSeq, capability)) {
                     callbackInfo.update(uid, procState, procStateSeq, capability);
                     if (!callbackInfo.isPending) {
-                        mUidEventHandler.obtainMessage(UID_MSG_STATE_CHANGED, callbackInfo)
+                        mUidEventHandler.obtainMessage(UID_MSG_STATE_CHANGED, uid, 0)
                                 .sendToTarget();
                         callbackInfo.isPending = true;
                     }
@@ -1263,7 +1263,6 @@
             synchronized (mUidStateCallbackInfos) {
                 mUidStateCallbackInfos.remove(uid);
             }
-            // TODO: b/327058756 - Remove any pending UID_MSG_STATE_CHANGED on the handler.
             mUidEventHandler.obtainMessage(UID_MSG_GONE, uid, 0).sendToTarget();
         }
     };
@@ -5851,13 +5850,13 @@
     private final Handler.Callback mUidEventHandlerCallback = new Handler.Callback() {
         @Override
         public boolean handleMessage(Message msg) {
+            final int uid = msg.arg1;
             switch (msg.what) {
                 case UID_MSG_STATE_CHANGED: {
-                    handleUidChanged((UidStateCallbackInfo) msg.obj);
+                    handleUidChanged(uid);
                     return true;
                 }
                 case UID_MSG_GONE: {
-                    final int uid = msg.arg1;
                     handleUidGone(uid);
                     return true;
                 }
@@ -5868,23 +5867,27 @@
         }
     };
 
-    void handleUidChanged(@NonNull UidStateCallbackInfo uidStateCallbackInfo) {
+    void handleUidChanged(int uid) {
         Trace.traceBegin(Trace.TRACE_TAG_NETWORK, "onUidStateChanged");
         try {
-            boolean updated;
-            final int uid;
             final int procState;
             final long procStateSeq;
             final int capability;
-            synchronized (mUidRulesFirstLock) {
-                synchronized (mUidStateCallbackInfos) {
-                    uid = uidStateCallbackInfo.uid;
-                    procState = uidStateCallbackInfo.procState;
-                    procStateSeq = uidStateCallbackInfo.procStateSeq;
-                    capability = uidStateCallbackInfo.capability;
-                    uidStateCallbackInfo.isPending = false;
+            synchronized (mUidStateCallbackInfos) {
+                final UidStateCallbackInfo uidStateCallbackInfo = mUidStateCallbackInfos.get(uid);
+                if (uidStateCallbackInfo == null) {
+                    // This can happen if UidObserver#onUidGone gets called before we reach
+                    // here. In this case, there is no point in processing this change as this
+                    // will immediately be followed by a call to handleUidGone anyway.
+                    return;
                 }
-
+                procState = uidStateCallbackInfo.procState;
+                procStateSeq = uidStateCallbackInfo.procStateSeq;
+                capability = uidStateCallbackInfo.capability;
+                uidStateCallbackInfo.isPending = false;
+            }
+            final boolean updated;
+            synchronized (mUidRulesFirstLock) {
                 // We received a uid state change callback, add it to the history so that it
                 // will be useful for debugging.
                 mLogger.uidStateChanged(uid, procState, procStateSeq, capability);
@@ -5907,6 +5910,14 @@
     void handleUidGone(int uid) {
         Trace.traceBegin(Trace.TRACE_TAG_NETWORK, "onUidGone");
         try {
+            synchronized (mUidStateCallbackInfos) {
+                if (mUidStateCallbackInfos.contains(uid)) {
+                    // This can happen if UidObserver#onUidStateChanged gets called before we
+                    // reach here. In this case, there is no point in processing this change as this
+                    // will immediately be followed by a call to handleUidChanged anyway.
+                    return;
+                }
+            }
             final boolean updated;
             synchronized (mUidRulesFirstLock) {
                 updated = removeUidStateUL(uid);
diff --git a/services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java
index 15cd511..a5f7963 100644
--- a/services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java
@@ -2404,6 +2404,45 @@
     }
 
     @Test
+    public void testObsoleteHandleUidGone() throws Exception {
+        callAndWaitOnUidStateChanged(UID_A, PROCESS_STATE_TOP, 51);
+        assertFalse(mService.isUidNetworkingBlocked(UID_A, false));
+
+        clearInvocations(mNetworkManager);
+
+        // In the service, handleUidGone is only called from mUidEventHandler. Then a call to it may
+        // be rendered obsolete by a newer uid change posted on the handler. The latest uid state
+        // change is always reflected in the current UidStateChangeCallbackInfo for the uid, so to
+        // simulate an obsolete call for test, we directly call handleUidGone and leave the state in
+        // UidStateChangeCallbackInfo set by the previous call to onUidStateChanged(TOP). This call
+        // should then do nothing.
+        mService.handleUidGone(UID_A);
+
+        verify(mNetworkManager, times(0)).setFirewallUidRule(anyInt(), anyInt(), anyInt());
+        assertFalse(mService.isUidNetworkingBlocked(UID_A, false));
+    }
+
+    @Test
+    @RequiresFlagsEnabled(Flags.FLAG_NETWORK_BLOCKED_FOR_TOP_SLEEPING_AND_ABOVE)
+    public void testObsoleteHandleUidChanged() throws Exception {
+        callAndWaitOnUidGone(UID_A);
+        assertTrue(mService.isUidNetworkingBlocked(UID_A, false));
+
+        clearInvocations(mNetworkManager);
+
+        // In the service, handleUidChanged is only called from mUidEventHandler. Then a call to it
+        // may be rendered obsolete by an immediate uid-gone posted on the handler. The latest uid
+        // state change is always reflected in the current UidStateChangeCallbackInfo for the uid,
+        // so to simulate an obsolete call for test, we directly call handleUidChanged and leave the
+        // state in UidStateChangeCallbackInfo as null as it would get removed by the previous call
+        // to onUidGone(). This call should then do nothing.
+        mService.handleUidChanged(UID_A);
+
+        verify(mNetworkManager, times(0)).setFirewallUidRule(anyInt(), anyInt(), anyInt());
+        assertTrue(mService.isUidNetworkingBlocked(UID_A, false));
+    }
+
+    @Test
     public void testLowPowerStandbyAllowlist() throws Exception {
         // Chain background is also enabled but these procstates are important enough to be exempt.
         callAndWaitOnUidStateChanged(UID_A, PROCESS_STATE_TOP, 0);
diff --git a/tools/aapt2/Android.bp b/tools/aapt2/Android.bp
index dbac6ca..7063b89 100644
--- a/tools/aapt2/Android.bp
+++ b/tools/aapt2/Android.bp
@@ -15,12 +15,7 @@
 //
 
 package {
-    // See: http://go/android-license-faq
-    // A large-scale-change added 'default_applicable_licenses' to import
-    // all of the 'license_kinds' from "frameworks_base_license"
-    // to get the below license kinds:
-    //   SPDX-license-identifier-Apache-2.0
-    default_applicable_licenses: ["frameworks_base_license"],
+    default_applicable_licenses: ["Android-Apache-2.0"],
 }
 
 toolSources = [
diff --git a/tools/aapt2/Android.mk b/tools/aapt2/Android.mk
deleted file mode 100644
index 15ae2ba..0000000
--- a/tools/aapt2/Android.mk
+++ /dev/null
@@ -1,4 +0,0 @@
-include $(CLEAR_VARS)
-aapt2_results := ./out/soong/.intermediates/frameworks/base/tools/aapt2/aapt2_results
-$(call declare-1p-target,$(aapt2_results))
-aapt2_results :=