diff --git a/automotive/evs/1.0/vts/functional/Android.bp b/automotive/evs/1.0/vts/functional/Android.bp
index 22ceff3..e86e9bc 100644
--- a/automotive/evs/1.0/vts/functional/Android.bp
+++ b/automotive/evs/1.0/vts/functional/Android.bp
@@ -19,7 +19,8 @@
 
     srcs: [
         "VtsEvsV1_0TargetTest.cpp",
-        "FrameHandler.cpp"
+        "FrameHandler.cpp",
+        "FormatConvert.cpp"
     ],
 
     defaults: [
diff --git a/automotive/evs/1.0/vts/functional/FormatConvert.cpp b/automotive/evs/1.0/vts/functional/FormatConvert.cpp
new file mode 100644
index 0000000..e5cc8ee
--- /dev/null
+++ b/automotive/evs/1.0/vts/functional/FormatConvert.cpp
@@ -0,0 +1,173 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#define LOG_TAG "VtsHalEvsTest"
+
+#include "FormatConvert.h"
+
+#include <algorithm>    // std::min
+
+
+// Round up to the nearest multiple of the given alignment value
+template<unsigned alignment>
+int align(int value) {
+    static_assert((alignment && !(alignment & (alignment - 1))),
+                  "alignment must be a power of 2");
+
+    unsigned mask = alignment - 1;
+    return (value + mask) & ~mask;
+}
+
+
+// Limit the given value to the provided range.  :)
+static inline float clamp(float v, float min, float max) {
+    if (v < min) return min;
+    if (v > max) return max;
+    return v;
+}
+
+
+static uint32_t yuvToRgbx(const unsigned char Y, const unsigned char Uin, const unsigned char Vin) {
+    // Don't use this if you want to see the best performance.  :)
+    // Better to do this in a pixel shader if we really have to, but on actual
+    // embedded hardware we expect to be able to texture directly from the YUV data
+    float U = Uin - 128.0f;
+    float V = Vin - 128.0f;
+
+    float Rf = Y + 1.140f*V;
+    float Gf = Y - 0.395f*U - 0.581f*V;
+    float Bf = Y + 2.032f*U;
+    unsigned char R = (unsigned char)clamp(Rf, 0.0f, 255.0f);
+    unsigned char G = (unsigned char)clamp(Gf, 0.0f, 255.0f);
+    unsigned char B = (unsigned char)clamp(Bf, 0.0f, 255.0f);
+
+    return (R      ) |
+           (G <<  8) |
+           (B << 16) |
+           0xFF000000;  // Fill the alpha channel with ones
+}
+
+
+void copyNV21toRGB32(unsigned width, unsigned height,
+                     uint8_t* src,
+                     uint32_t* dst, unsigned dstStridePixels)
+{
+    // The NV21 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 interleaved
+    // U/V array.  It assumes an even width and height for the overall image, and a horizontal
+    // stride that is an even multiple of 16 bytes for both the Y and UV arrays.
+    unsigned strideLum = align<16>(width);
+    unsigned sizeY = strideLum * height;
+    unsigned strideColor = strideLum;   // 1/2 the samples, but two interleaved channels
+    unsigned offsetUV = sizeY;
+
+    uint8_t* srcY = src;
+    uint8_t* srcUV = src+offsetUV;
+
+    for (unsigned r = 0; r < height; r++) {
+        // Note that we're walking the same UV row twice for even/odd luminance rows
+        uint8_t* rowY  = srcY  + r*strideLum;
+        uint8_t* rowUV = srcUV + (r/2 * strideColor);
+
+        uint32_t* rowDest = dst + r*dstStridePixels;
+
+        for (unsigned c = 0; c < width; c++) {
+            unsigned uCol = (c & ~1);   // uCol is always even and repeats 1:2 with Y values
+            unsigned vCol = uCol | 1;   // vCol is always odd
+            rowDest[c] = yuvToRgbx(rowY[c], rowUV[uCol], rowUV[vCol]);
+        }
+    }
+}
+
+
+void copyYV12toRGB32(unsigned width, unsigned height,
+                     uint8_t* src,
+                     uint32_t* dst, unsigned dstStridePixels)
+{
+    // The YV12 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 U array, followed
+    // by another 1/2 x 1/2 V array.  It assumes an even width and height for the overall image,
+    // and a horizontal stride that is an even multiple of 16 bytes for each of the Y, U,
+    // and V arrays.
+    unsigned strideLum = align<16>(width);
+    unsigned sizeY = strideLum * height;
+    unsigned strideColor = align<16>(strideLum/2);
+    unsigned sizeColor = strideColor * height/2;
+    unsigned offsetU = sizeY;
+    unsigned offsetV = sizeY + sizeColor;
+
+    uint8_t* srcY = src;
+    uint8_t* srcU = src+offsetU;
+    uint8_t* srcV = src+offsetV;
+
+    for (unsigned r = 0; r < height; r++) {
+        // Note that we're walking the same U and V rows twice for even/odd luminance rows
+        uint8_t* rowY = srcY + r*strideLum;
+        uint8_t* rowU = srcU + (r/2 * strideColor);
+        uint8_t* rowV = srcV + (r/2 * strideColor);
+
+        uint32_t* rowDest = dst + r*dstStridePixels;
+
+        for (unsigned c = 0; c < width; c++) {
+            rowDest[c] = yuvToRgbx(rowY[c], rowU[c], rowV[c]);
+        }
+    }
+}
+
+
+void copyYUYVtoRGB32(unsigned width, unsigned height,
+                     uint8_t* src, unsigned srcStridePixels,
+                     uint32_t* dst, unsigned dstStridePixels)
+{
+    uint32_t* srcWords = (uint32_t*)src;
+
+    const int srcRowPadding32 = srcStridePixels/2 - width/2;  // 2 bytes per pixel, 4 bytes per word
+    const int dstRowPadding32 = dstStridePixels   - width;    // 4 bytes per pixel, 4 bytes per word
+
+    for (unsigned r = 0; r < height; r++) {
+        for (unsigned c = 0; c < width/2; c++) {
+            // Note:  we're walking two pixels at a time here (even/odd)
+            uint32_t srcPixel = *srcWords++;
+
+            uint8_t Y1 = (srcPixel)       & 0xFF;
+            uint8_t U  = (srcPixel >> 8)  & 0xFF;
+            uint8_t Y2 = (srcPixel >> 16) & 0xFF;
+            uint8_t V  = (srcPixel >> 24) & 0xFF;
+
+            // On the RGB output, we're writing one pixel at a time
+            *(dst+0) = yuvToRgbx(Y1, U, V);
+            *(dst+1) = yuvToRgbx(Y2, U, V);
+            dst += 2;
+        }
+
+        // Skip over any extra data or end of row alignment padding
+        srcWords += srcRowPadding32;
+        dst += dstRowPadding32;
+    }
+}
+
+
+void copyMatchedInterleavedFormats(unsigned width, unsigned height,
+                                   void* src, unsigned srcStridePixels,
+                                   void* dst, unsigned dstStridePixels,
+                                   unsigned pixelSize) {
+    for (unsigned row = 0; row < height; row++) {
+        // Copy the entire row of pixel data
+        memcpy(dst, src, width * pixelSize);
+
+        // Advance to the next row (keeping in mind that stride here is in units of pixels)
+        src = (uint8_t*)src + srcStridePixels * pixelSize;
+        dst = (uint8_t*)dst + dstStridePixels * pixelSize;
+    }
+}
diff --git a/automotive/evs/1.0/vts/functional/FormatConvert.h b/automotive/evs/1.0/vts/functional/FormatConvert.h
new file mode 100644
index 0000000..3ff1eec
--- /dev/null
+++ b/automotive/evs/1.0/vts/functional/FormatConvert.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#ifndef EVS_VTS_FORMATCONVERT_H
+#define EVS_VTS_FORMATCONVERT_H
+
+#include <queue>
+#include <stdint.h>
+
+
+// Given an image buffer in NV21 format (HAL_PIXEL_FORMAT_YCRCB_420_SP), output 32bit RGBx values.
+// The NV21 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 interleaved
+// U/V array.  It assumes an even width and height for the overall image, and a horizontal
+// stride that is an even multiple of 16 bytes for both the Y and UV arrays.
+void copyNV21toRGB32(unsigned width, unsigned height,
+                     uint8_t* src,
+                     uint32_t* dst, unsigned dstStridePixels);
+
+
+// Given an image buffer in YV12 format (HAL_PIXEL_FORMAT_YV12), output 32bit RGBx values.
+// The YV12 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 U array, followed
+// by another 1/2 x 1/2 V array.  It assumes an even width and height for the overall image,
+// and a horizontal stride that is an even multiple of 16 bytes for each of the Y, U,
+// and V arrays.
+void copyYV12toRGB32(unsigned width, unsigned height,
+                     uint8_t* src,
+                     uint32_t* dst, unsigned dstStridePixels);
+
+
+// Given an image buffer in YUYV format (HAL_PIXEL_FORMAT_YCBCR_422_I), output 32bit RGBx values.
+// The NV21 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 interleaved
+// U/V array.  It assumes an even width and height for the overall image, and a horizontal
+// stride that is an even multiple of 16 bytes for both the Y and UV arrays.
+void copyYUYVtoRGB32(unsigned width, unsigned height,
+                     uint8_t* src, unsigned srcStrideBytes,
+                     uint32_t* dst, unsigned dstStrideBytes);
+
+
+// Given an simple rectangular image buffer with an integer number of bytes per pixel,
+// copy the pixel values into a new rectangular buffer (potentially with a different stride).
+// This is typically used to copy RGBx data into an RGBx output buffer.
+void copyMatchedInterleavedFormats(unsigned width, unsigned height,
+                                   void* src, unsigned srcStridePixels,
+                                   void* dst, unsigned dstStridePixels,
+                                   unsigned pixelSize);
+
+#endif // EVS_VTS_FORMATCONVERT_H
diff --git a/automotive/evs/1.0/vts/functional/FrameHandler.cpp b/automotive/evs/1.0/vts/functional/FrameHandler.cpp
index 58c2f26..a69f72b 100644
--- a/automotive/evs/1.0/vts/functional/FrameHandler.cpp
+++ b/automotive/evs/1.0/vts/functional/FrameHandler.cpp
@@ -17,6 +17,7 @@
 #define LOG_TAG "VtsHalEvsTest"
 
 #include "FrameHandler.h"
+#include "FormatConvert.h"
 
 #include <stdio.h>
 #include <string.h>
@@ -25,14 +26,6 @@
 #include <cutils/native_handle.h>
 #include <ui/GraphicBuffer.h>
 
-#include <algorithm>    // std::min
-
-
-// For the moment, we're assuming that the underlying EVS driver we're working with
-// is providing 4 byte RGBx data.  This is fine for loopback testing, although
-// real hardware is expected to provide YUV data -- most likly formatted as YV12
-static const unsigned kBytesPerPixel = 4;   // assuming 4 byte RGBx pixels
-
 
 FrameHandler::FrameHandler(android::sp <IEvsCamera> pCamera, CameraDesc cameraInfo,
                            android::sp <IEvsDisplay> pDisplay,
@@ -58,14 +51,18 @@
 
 
 bool FrameHandler::startStream() {
+    // Tell the camera to start streaming
+    Return<EvsResult> result = mCamera->startVideoStream(this);
+    if (result != EvsResult::OK) {
+        return false;
+    }
+
     // Mark ourselves as running
     mLock.lock();
     mRunning = true;
     mLock.unlock();
 
-    // Tell the camera to start streaming
-    Return<EvsResult> result = mCamera->startVideoStream(this);
-    return (result == EvsResult::OK);
+    return true;
 }
 
 
@@ -82,7 +79,9 @@
 
     // Wait until the stream has actually stopped
     std::unique_lock<std::mutex> lock(mLock);
-    mSignal.wait(lock, [this](){ return !mRunning; });
+    if (mRunning) {
+        mSignal.wait(lock, [this]() { return !mRunning; });
+    }
 }
 
 
@@ -179,13 +178,13 @@
 
         switch (mReturnMode) {
         case eAutoReturn:
-            // Send the camera buffer back now that we're done with it
+            // Send the camera buffer back now that the client has seen it
             ALOGD("Calling doneWithFrame");
             // TODO:  Why is it that we get a HIDL crash if we pass back the cloned buffer?
             mCamera->doneWithFrame(bufferArg);
             break;
         case eNoAutoReturn:
-            // Hang onto the buffer handle for now -- we'll return it explicitly later
+            // Hang onto the buffer handle for now -- the client will return it explicitly later
             mHeldBuffers.push(bufferArg);
         }
 
@@ -228,25 +227,41 @@
         srcBuffer.width, srcBuffer.height, srcBuffer.format, 1, srcBuffer.usage,
         srcBuffer.stride);
 
-    // Lock our source buffer for reading
-    unsigned char* srcPixels = nullptr;
+    // Lock our source buffer for reading (current expectation are for this to be NV21 format)
+    uint8_t* srcPixels = nullptr;
     src->lock(GRALLOC_USAGE_SW_READ_OFTEN, (void**)&srcPixels);
 
-    // Lock our target buffer for writing
-    unsigned char* tgtPixels = nullptr;
+    // Lock our target buffer for writing (should be RGBA8888 format)
+    uint32_t* tgtPixels = nullptr;
     tgt->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)&tgtPixels);
 
     if (srcPixels && tgtPixels) {
-        for (unsigned row = 0; row < height; row++) {
-            // Copy the entire row of pixel data
-            memcpy(tgtPixels, srcPixels, width * kBytesPerPixel);
-
-            // Advance to the next row (keeping in mind that stride here is in units of pixels)
-            tgtPixels += tgtBuffer.stride * kBytesPerPixel;
-            srcPixels += srcBuffer.stride * kBytesPerPixel;
+        if (tgtBuffer.format != HAL_PIXEL_FORMAT_RGBA_8888) {
+            // We always expect 32 bit RGB for the display output for now.  Is there a need for 565?
+            ALOGE("Diplay buffer is always expected to be 32bit RGBA");
+            success = false;
+        } else {
+            if (srcBuffer.format == HAL_PIXEL_FORMAT_YCRCB_420_SP) {   // 420SP == NV21
+                copyNV21toRGB32(width, height,
+                                srcPixels,
+                                tgtPixels, tgtBuffer.stride);
+            } else if (srcBuffer.format == HAL_PIXEL_FORMAT_YV12) { // YUV_420P == YV12
+                copyYV12toRGB32(width, height,
+                                srcPixels,
+                                tgtPixels, tgtBuffer.stride);
+            } else if (srcBuffer.format == HAL_PIXEL_FORMAT_YCBCR_422_I) { // YUYV
+                copyYUYVtoRGB32(width, height,
+                                srcPixels, srcBuffer.stride,
+                                tgtPixels, tgtBuffer.stride);
+            } else if (srcBuffer.format == tgtBuffer.format) {  // 32bit RGBA
+                copyMatchedInterleavedFormats(width, height,
+                                              srcPixels, srcBuffer.stride,
+                                              tgtPixels, tgtBuffer.stride,
+                                              tgtBuffer.pixelSize);
+            }
         }
     } else {
-        ALOGE("Failed to copy buffer contents");
+        ALOGE("Failed to lock buffer contents for contents transfer");
         success = false;
     }
 
diff --git a/automotive/evs/1.0/vts/functional/VtsEvsV1_0TargetTest.cpp b/automotive/evs/1.0/vts/functional/VtsEvsV1_0TargetTest.cpp
index 50b6581..2e80afe 100644
--- a/automotive/evs/1.0/vts/functional/VtsEvsV1_0TargetTest.cpp
+++ b/automotive/evs/1.0/vts/functional/VtsEvsV1_0TargetTest.cpp
@@ -107,6 +107,8 @@
  * call to closeCamera.  Then repeats the test to ensure all cameras can be reopened.
  */
 TEST_F(EvsHidlTest, CameraOpenClean) {
+    ALOGI("Starting CameraOpenClean test");
+
     // Get the camera list
     loadCameraList();
 
@@ -137,6 +139,8 @@
  * the system to be tolerant of shutdown/restart race conditions.
  */
 TEST_F(EvsHidlTest, CameraOpenAggressive) {
+    ALOGI("Starting CameraOpenAggressive test");
+
     // Get the camera list
     loadCameraList();
 
@@ -183,6 +187,8 @@
  * Test both clean shut down and "aggressive open" device stealing behavior.
  */
 TEST_F(EvsHidlTest, DisplayOpen) {
+    ALOGI("Starting DisplayOpen test");
+
     // Request exclusive access to the EVS display, then let it go
     {
         sp<IEvsDisplay> pDisplay = pEnumerator->openDisplay();
@@ -229,6 +235,8 @@
  * object itself or the owning enumerator.
  */
 TEST_F(EvsHidlTest, DisplayStates) {
+    ALOGI("Starting DisplayStates test");
+
     // Ensure the display starts in the expected state
     EXPECT_EQ((DisplayState)pEnumerator->getDisplayState(), DisplayState::NOT_OPEN);
 
@@ -270,15 +278,14 @@
     }
 
     // TODO:  This hack shouldn't be necessary.  b/36122635
-// NOTE:  Calling flushCommand here did not avoid the race.  Going back to sleep...  :(
-//    android::hardware::IPCThreadState::self()->flushCommands();
     sleep(1);
 
     // Now that the display pointer has gone out of scope, causing the IEvsDisplay interface
     // object to be destroyed, we should be back to the "not open" state.
     // NOTE:  If we want this to pass without the sleep above, we'd have to add the
     //        (now recommended) closeDisplay() call instead of relying on the smarter pointer
-    //        going out of scope.
+    //        going out of scope.  I've not done that because I want to verify that the deletion
+    //        of the object does actually clean up (eventually).
     EXPECT_EQ((DisplayState)pEnumerator->getDisplayState(), DisplayState::NOT_OPEN);
 }
 
@@ -288,6 +295,8 @@
  * Measure and qualify the stream start up time and streaming frame rate of each reported camera
  */
 TEST_F(EvsHidlTest, CameraStreamPerformance) {
+    ALOGI("Starting CameraStreamPerformance test");
+
     // Get the camera list
     loadCameraList();
 
@@ -304,7 +313,7 @@
         // Start the camera's video stream
         nsecs_t start = systemTime(SYSTEM_TIME_MONOTONIC);
         bool startResult = frameHandler->startStream();
-        EXPECT_EQ(startResult, true);
+        ASSERT_TRUE(startResult);
 
         // Ensure the first frame arrived within the expected time
         frameHandler->waitForFrameCount(1);
@@ -344,6 +353,8 @@
  * than one frame time.  The camera must cleanly skip frames until the client is ready again.
  */
 TEST_F(EvsHidlTest, CameraStreamBuffering) {
+    ALOGI("Starting CameraStreamBuffering test");
+
     // Arbitrary constant (should be > 1 and less than crazy)
     static const unsigned int kBuffersToHold = 6;
 
@@ -372,14 +383,14 @@
 
         // Start the camera's video stream
         bool startResult = frameHandler->startStream();
-        EXPECT_TRUE(startResult);
+        ASSERT_TRUE(startResult);
 
         // Check that the video stream stalls once we've gotten exactly the number of buffers
         // we requested since we told the frameHandler not to return them.
-        sleep(1);   // 1 second would be enough for at least 5 frames to be delivered worst case
+        sleep(2);   // 1 second should be enough for at least 5 frames to be delivered worst case
         unsigned framesReceived = 0;
         frameHandler->getFramesCounters(&framesReceived, nullptr);
-        EXPECT_EQ(kBuffersToHold, framesReceived);
+        ASSERT_EQ(kBuffersToHold, framesReceived) << "Stream didn't stall at expected buffer limit";
 
 
         // Give back one buffer
@@ -390,7 +401,7 @@
         // filled since we require 10fps minimum -- but give a 10% allowance just in case.
         usleep(110 * kMillisecondsToMicroseconds);
         frameHandler->getFramesCounters(&framesReceived, nullptr);
-        EXPECT_EQ(kBuffersToHold+1, framesReceived);
+        EXPECT_EQ(kBuffersToHold+1, framesReceived) << "Stream should've resumed";
 
         // Even when the camera pointer goes out of scope, the FrameHandler object will
         // keep the stream alive unless we tell it to shutdown.
@@ -411,6 +422,8 @@
  * which a human could observe to see the operation of the system on the physical display.
  */
 TEST_F(EvsHidlTest, CameraToDisplayRoundTrip) {
+    ALOGI("Starting CameraToDisplayRoundTrip test");
+
     // Get the camera list
     loadCameraList();
 
@@ -434,7 +447,7 @@
 
         // Start the camera's video stream
         bool startResult = frameHandler->startStream();
-        EXPECT_EQ(startResult, true);
+        ASSERT_TRUE(startResult);
 
         // Wait a while to let the data flow
         static const int kSecondsToWait = 5;
diff --git a/automotive/vehicle/2.0/default/Android.mk b/automotive/vehicle/2.0/default/Android.mk
index ee6d134..c63899d 100644
--- a/automotive/vehicle/2.0/default/Android.mk
+++ b/automotive/vehicle/2.0/default/Android.mk
@@ -123,6 +123,9 @@
     tests/VehicleObjectPool_test.cpp \
     tests/VehiclePropConfigIndex_test.cpp \
 
+LOCAL_HEADER_LIBRARIES := \
+    libbase_headers
+
 LOCAL_SHARED_LIBRARIES := \
     libhidlbase \
     libhidltransport \
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.cpp b/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.cpp
index ea40cc5..fe34a3f 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.cpp
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.cpp
@@ -13,9 +13,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 #define LOG_TAG "DefaultVehicleHal_v2_0"
+
 #include <android/log.h>
+#include <android-base/macros.h>
 
 #include "EmulatedVehicleHal.h"
 
diff --git a/automotive/vehicle/2.0/default/tests/VehicleHalManager_test.cpp b/automotive/vehicle/2.0/default/tests/VehicleHalManager_test.cpp
index 04335b5..4864d5d 100644
--- a/automotive/vehicle/2.0/default/tests/VehicleHalManager_test.cpp
+++ b/automotive/vehicle/2.0/default/tests/VehicleHalManager_test.cpp
@@ -17,6 +17,7 @@
 #include <unordered_map>
 #include <iostream>
 
+#include <android-base/macros.h>
 #include <utils/SystemClock.h>
 
 #include <gtest/gtest.h>
diff --git a/bluetooth/1.0/Android.bp b/bluetooth/1.0/Android.bp
index e831069..2c965ed 100644
--- a/bluetooth/1.0/Android.bp
+++ b/bluetooth/1.0/Android.bp
@@ -59,13 +59,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/boot/1.0/Android.bp b/boot/1.0/Android.bp
index c56499a..807ae02 100644
--- a/boot/1.0/Android.bp
+++ b/boot/1.0/Android.bp
@@ -52,13 +52,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/compatibility_matrix.xml b/compatibility_matrix.xml
new file mode 100644
index 0000000..cd3904e
--- /dev/null
+++ b/compatibility_matrix.xml
@@ -0,0 +1,34 @@
+<compatibility-matrix version="1.0" type="framework">
+    <hal format="hidl" optional="true">
+        <name>android.hardware.bluetooth</name>
+        <version>1.0</version>
+    </hal>
+    <hal format="hidl" optional="true">
+        <name>android.hardware.boot</name>
+        <version>1.0</version>
+    </hal>
+    <hal format="hidl" optional="true">
+        <name>android.hardware.configstore</name>
+        <version>1.0</version>
+    </hal>
+    <hal format="hidl" optional="true">
+        <name>android.hardware.ir</name>
+        <version>1.0</version>
+    </hal>
+    <hal format="hidl" optional="true">
+        <name>android.hardware.nfc</name>
+        <version>1.0</version>
+    </hal>
+    <hal format="hidl" optional="true">
+        <name>android.hardware.radio</name>
+        <version>1.0</version>
+    </hal>
+    <hal format="hidl" optional="true">
+        <name>android.hardware.renderscript</name>
+        <version>1.0</version>
+    </hal>
+    <hal format="hidl" optional="true">
+        <name>android.hardware.wifi</name>
+        <version>1.0</version>
+    </hal>
+</compatibility-matrix>
diff --git a/configstore/1.0/Android.bp b/configstore/1.0/Android.bp
index bd203cc..4993dc3 100644
--- a/configstore/1.0/Android.bp
+++ b/configstore/1.0/Android.bp
@@ -52,13 +52,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/contexthub/1.0/default/Android.bp b/contexthub/1.0/default/Android.bp
index 78d27cc..9f5131d 100644
--- a/contexthub/1.0/default/Android.bp
+++ b/contexthub/1.0/default/Android.bp
@@ -32,3 +32,23 @@
         "android.hardware.contexthub@1.0",
     ],
 }
+
+cc_binary {
+    name: "android.hardware.contexthub@1.0-service",
+    relative_install_path: "hw",
+    proprietary: true,
+    init_rc: ["android.hardware.contexthub@1.0-service.rc"],
+    srcs: ["service.cpp"],
+
+    shared_libs: [
+        "libbase",
+        "libcutils",
+        "libdl",
+        "libhardware",
+        "libhidlbase",
+        "libhidltransport",
+        "liblog",
+        "libutils",
+        "android.hardware.contexthub@1.0",
+    ],
+}
diff --git a/contexthub/1.0/default/Android.mk b/contexthub/1.0/default/Android.mk
deleted file mode 100644
index 917bfe0..0000000
--- a/contexthub/1.0/default/Android.mk
+++ /dev/null
@@ -1,22 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE_RELATIVE_PATH := hw
-LOCAL_PROPRIETARY_MODULE := true
-LOCAL_MODULE := android.hardware.contexthub@1.0-service
-LOCAL_INIT_RC := android.hardware.contexthub@1.0-service.rc
-LOCAL_SRC_FILES := \
-        service.cpp \
-
-LOCAL_SHARED_LIBRARIES := \
-        libbase \
-        libcutils \
-        libdl \
-        libhardware \
-        libhidlbase \
-        libhidltransport \
-        liblog \
-        libutils \
-        android.hardware.contexthub@1.0 \
-
-include $(BUILD_EXECUTABLE)
diff --git a/contexthub/1.0/default/Contexthub.h b/contexthub/1.0/default/Contexthub.h
index 236e079..e587930 100644
--- a/contexthub/1.0/default/Contexthub.h
+++ b/contexthub/1.0/default/Contexthub.h
@@ -19,6 +19,7 @@
 
 #include <unordered_map>
 
+#include <android-base/macros.h>
 #include <android/hardware/contexthub/1.0/IContexthub.h>
 #include <hardware/context_hub.h>
 
diff --git a/current.txt b/current.txt
index 1f6d592..089f128 100644
--- a/current.txt
+++ b/current.txt
@@ -98,7 +98,7 @@
 17971eb8a482893dadcfc16e0583f492d42a034ef95d9b0b709417af30838396 android.hardware.graphics.allocator@2.0::IAllocator
 60bf42a4898e4fb70dbd720b263aeafd7f35f5e1a5effeabb4d5d659878a5f18 android.hardware.graphics.bufferqueue@1.0::IGraphicBufferProducer
 b8a75617b9ec12bea641f3a73d4025a33e8b9a2f9169dd46094af56adf9249c5 android.hardware.graphics.bufferqueue@1.0::IProducerListener
-862cd4c41884b6c06d843b88061a021ed117e751b60b8efe8916eb64a0b3c062 android.hardware.graphics.common@1.0::types
+4f6dedbcdd21c309dfc650acea81a096d6b242493ffe49c8d61bd3c43aad354e android.hardware.graphics.common@1.0::types
 b3aac6c3817f039964fcd62268274b3039e17bd7d0d5b40b4d1d1c7b19a1f866 android.hardware.graphics.composer@2.1::IComposer
 b19d00eb8a8b3b0034a0321f22e8f32162bf4c2aebbce6da22c025f56e459ea2 android.hardware.graphics.composer@2.1::IComposerCallback
 e992684e690dfe67a8cbeab5005bfa3fa9c2bf3d4b0b75657fb1f0c2d5dd2bae android.hardware.graphics.composer@2.1::IComposerClient
diff --git a/graphics/common/1.0/types.hal b/graphics/common/1.0/types.hal
index 76b3bec..3369fad 100644
--- a/graphics/common/1.0/types.hal
+++ b/graphics/common/1.0/types.hal
@@ -505,26 +505,29 @@
 
 /**
  * Transformation definitions
- *
- * IMPORTANT NOTE:
- * ROT_90 is applied CLOCKWISE and AFTER FLIP_{H|V}.
- *
  */
 @export(name="android_transform_t", value_prefix="HAL_TRANSFORM_")
 enum Transform : int32_t {
-    /** flip source image horizontally (around the vertical axis) */
-    FLIP_H    = 0x01,
     /**
-     * flip source image vertically (around the horizontal axis)*/
-    FLIP_V    = 0x02,
-    /** rotate source image 90 degrees clockwise */
-    ROT_90    = 0x04,
-    /** rotate source image 180 degrees */
-    ROT_180   = 0x03,
-    /** rotate source image 270 degrees clockwise */
-    ROT_270   = 0x07,
+     * Horizontal flip. FLIP_H/FLIP_V is applied before ROT_90.
+     */
+    FLIP_H    = 1 << 0,
 
-    /** 0x08 is reserved */
+    /**
+     * Vertical flip. FLIP_H/FLIP_V is applied before ROT_90.
+     */
+    FLIP_V    = 1 << 1,
+
+    /**
+     * 90 degree clockwise rotation. FLIP_H/FLIP_V is applied before ROT_90.
+     */
+    ROT_90    = 1 << 2,
+
+    /**
+     * Commonly used combinations.
+     */
+    ROT_180   = FLIP_H | FLIP_V,
+    ROT_270   = FLIP_H | FLIP_V | ROT_90,
 };
 
 /**
@@ -1222,209 +1225,209 @@
  */
 @export(name="android_color_mode_t", value_prefix="HAL_COLOR_MODE_")
 enum ColorMode : int32_t {
-  /**
-   * DEFAULT is the "native" gamut of the display.
-   * White Point: Vendor/OEM defined
-   * Panel Gamma: Vendor/OEM defined (typically 2.2)
-   * Rendering Intent: Vendor/OEM defined (typically 'enhanced')
-   */
-  NATIVE = 0,
+    /**
+     * DEFAULT is the "native" gamut of the display.
+     * White Point: Vendor/OEM defined
+     * Panel Gamma: Vendor/OEM defined (typically 2.2)
+     * Rendering Intent: Vendor/OEM defined (typically 'enhanced')
+     */
+    NATIVE = 0,
 
-  /**
-   * STANDARD_BT601_625 corresponds with display
-   * settings that implement the ITU-R Recommendation BT.601
-   * or Rec 601. Using 625 line version
-   * Rendering Intent: Colorimetric
-   * Primaries:
-   *                  x       y
-   *  green           0.290   0.600
-   *  blue            0.150   0.060
-   *  red             0.640   0.330
-   *  white (D65)     0.3127  0.3290
-   *
-   *  KR = 0.299, KB = 0.114. This adjusts the luminance interpretation
-   *  for RGB conversion from the one purely determined by the primaries
-   *  to minimize the color shift into RGB space that uses BT.709
-   *  primaries.
-   *
-   * Gamma Correction (GC):
-   *
-   *  if Vlinear < 0.018
-   *    Vnonlinear = 4.500 * Vlinear
-   *  else
-   *    Vnonlinear = 1.099 * (Vlinear)^(0.45) – 0.099
-   */
-  STANDARD_BT601_625 = 1,
+    /**
+     * STANDARD_BT601_625 corresponds with display
+     * settings that implement the ITU-R Recommendation BT.601
+     * or Rec 601. Using 625 line version
+     * Rendering Intent: Colorimetric
+     * Primaries:
+     *                  x       y
+     *  green           0.290   0.600
+     *  blue            0.150   0.060
+     *  red             0.640   0.330
+     *  white (D65)     0.3127  0.3290
+     *
+     *  KR = 0.299, KB = 0.114. This adjusts the luminance interpretation
+     *  for RGB conversion from the one purely determined by the primaries
+     *  to minimize the color shift into RGB space that uses BT.709
+     *  primaries.
+     *
+     * Gamma Correction (GC):
+     *
+     *  if Vlinear < 0.018
+     *    Vnonlinear = 4.500 * Vlinear
+     *  else
+     *    Vnonlinear = 1.099 * (Vlinear)^(0.45) – 0.099
+     */
+    STANDARD_BT601_625 = 1,
 
-  /**
-   * Primaries:
-   *                  x       y
-   *  green           0.290   0.600
-   *  blue            0.150   0.060
-   *  red             0.640   0.330
-   *  white (D65)     0.3127  0.3290
-   *
-   *  Use the unadjusted KR = 0.222, KB = 0.071 luminance interpretation
-   *  for RGB conversion.
-   *
-   * Gamma Correction (GC):
-   *
-   *  if Vlinear < 0.018
-   *    Vnonlinear = 4.500 * Vlinear
-   *  else
-   *    Vnonlinear = 1.099 * (Vlinear)^(0.45) – 0.099
-   */
-  STANDARD_BT601_625_UNADJUSTED = 2,
+    /**
+     * Primaries:
+     *                  x       y
+     *  green           0.290   0.600
+     *  blue            0.150   0.060
+     *  red             0.640   0.330
+     *  white (D65)     0.3127  0.3290
+     *
+     *  Use the unadjusted KR = 0.222, KB = 0.071 luminance interpretation
+     *  for RGB conversion.
+     *
+     * Gamma Correction (GC):
+     *
+     *  if Vlinear < 0.018
+     *    Vnonlinear = 4.500 * Vlinear
+     *  else
+     *    Vnonlinear = 1.099 * (Vlinear)^(0.45) – 0.099
+     */
+    STANDARD_BT601_625_UNADJUSTED = 2,
 
-  /**
-   * Primaries:
-   *                  x       y
-   *  green           0.310   0.595
-   *  blue            0.155   0.070
-   *  red             0.630   0.340
-   *  white (D65)     0.3127  0.3290
-   *
-   *  KR = 0.299, KB = 0.114. This adjusts the luminance interpretation
-   *  for RGB conversion from the one purely determined by the primaries
-   *  to minimize the color shift into RGB space that uses BT.709
-   *  primaries.
-   *
-   * Gamma Correction (GC):
-   *
-   *  if Vlinear < 0.018
-   *    Vnonlinear = 4.500 * Vlinear
-   *  else
-   *    Vnonlinear = 1.099 * (Vlinear)^(0.45) – 0.099
-   */
-  STANDARD_BT601_525 = 3,
+    /**
+     * Primaries:
+     *                  x       y
+     *  green           0.310   0.595
+     *  blue            0.155   0.070
+     *  red             0.630   0.340
+     *  white (D65)     0.3127  0.3290
+     *
+     *  KR = 0.299, KB = 0.114. This adjusts the luminance interpretation
+     *  for RGB conversion from the one purely determined by the primaries
+     *  to minimize the color shift into RGB space that uses BT.709
+     *  primaries.
+     *
+     * Gamma Correction (GC):
+     *
+     *  if Vlinear < 0.018
+     *    Vnonlinear = 4.500 * Vlinear
+     *  else
+     *    Vnonlinear = 1.099 * (Vlinear)^(0.45) – 0.099
+     */
+    STANDARD_BT601_525 = 3,
 
-  /**
-   * Primaries:
-   *                  x       y
-   *  green           0.310   0.595
-   *  blue            0.155   0.070
-   *  red             0.630   0.340
-   *  white (D65)     0.3127  0.3290
-   *
-   *  Use the unadjusted KR = 0.212, KB = 0.087 luminance interpretation
-   *  for RGB conversion (as in SMPTE 240M).
-   *
-   * Gamma Correction (GC):
-   *
-   *  if Vlinear < 0.018
-   *    Vnonlinear = 4.500 * Vlinear
-   *  else
-   *    Vnonlinear = 1.099 * (Vlinear)^(0.45) – 0.099
-   */
-  STANDARD_BT601_525_UNADJUSTED = 4,
+    /**
+     * Primaries:
+     *                  x       y
+     *  green           0.310   0.595
+     *  blue            0.155   0.070
+     *  red             0.630   0.340
+     *  white (D65)     0.3127  0.3290
+     *
+     *  Use the unadjusted KR = 0.212, KB = 0.087 luminance interpretation
+     *  for RGB conversion (as in SMPTE 240M).
+     *
+     * Gamma Correction (GC):
+     *
+     *  if Vlinear < 0.018
+     *    Vnonlinear = 4.500 * Vlinear
+     *  else
+     *    Vnonlinear = 1.099 * (Vlinear)^(0.45) – 0.099
+     */
+    STANDARD_BT601_525_UNADJUSTED = 4,
 
-  /**
-   * REC709 corresponds with display settings that implement
-   * the ITU-R Recommendation BT.709 / Rec. 709 for high-definition television.
-   * Rendering Intent: Colorimetric
-   * Primaries:
-   *                  x       y
-   *  green           0.300   0.600
-   *  blue            0.150   0.060
-   *  red             0.640   0.330
-   *  white (D65)     0.3127  0.3290
-   *
-   * HDTV REC709 Inverse Gamma Correction (IGC): V represents normalized
-   * (with [0 to 1] range) value of R, G, or B.
-   *
-   *  if Vnonlinear < 0.081
-   *    Vlinear = Vnonlinear / 4.5
-   *  else
-   *    Vlinear = ((Vnonlinear + 0.099) / 1.099) ^ (1/0.45)
-   *
-   * HDTV REC709 Gamma Correction (GC):
-   *
-   *  if Vlinear < 0.018
-   *    Vnonlinear = 4.5 * Vlinear
-   *  else
-   *    Vnonlinear = 1.099 * (Vlinear) ^ 0.45 – 0.099
-   */
-  STANDARD_BT709 = 5,
+    /**
+     * REC709 corresponds with display settings that implement
+     * the ITU-R Recommendation BT.709 / Rec. 709 for high-definition television.
+     * Rendering Intent: Colorimetric
+     * Primaries:
+     *                  x       y
+     *  green           0.300   0.600
+     *  blue            0.150   0.060
+     *  red             0.640   0.330
+     *  white (D65)     0.3127  0.3290
+     *
+     * HDTV REC709 Inverse Gamma Correction (IGC): V represents normalized
+     * (with [0 to 1] range) value of R, G, or B.
+     *
+     *  if Vnonlinear < 0.081
+     *    Vlinear = Vnonlinear / 4.5
+     *  else
+     *    Vlinear = ((Vnonlinear + 0.099) / 1.099) ^ (1/0.45)
+     *
+     * HDTV REC709 Gamma Correction (GC):
+     *
+     *  if Vlinear < 0.018
+     *    Vnonlinear = 4.5 * Vlinear
+     *  else
+     *    Vnonlinear = 1.099 * (Vlinear) ^ 0.45 – 0.099
+     */
+    STANDARD_BT709 = 5,
 
-  /**
-   * DCI_P3 corresponds with display settings that implement
-   * SMPTE EG 432-1 and SMPTE RP 431-2
-   * Rendering Intent: Colorimetric
-   * Primaries:
-   *                  x       y
-   *  green           0.265   0.690
-   *  blue            0.150   0.060
-   *  red             0.680   0.320
-   *  white (D65)     0.3127  0.3290
-   *
-   * Gamma: 2.6
-   */
-  DCI_P3 = 6,
+    /**
+     * DCI_P3 corresponds with display settings that implement
+     * SMPTE EG 432-1 and SMPTE RP 431-2
+     * Rendering Intent: Colorimetric
+     * Primaries:
+     *                  x       y
+     *  green           0.265   0.690
+     *  blue            0.150   0.060
+     *  red             0.680   0.320
+     *  white (D65)     0.3127  0.3290
+     *
+     * Gamma: 2.6
+     */
+    DCI_P3 = 6,
 
-  /**
-   * SRGB corresponds with display settings that implement
-   * the sRGB color space. Uses the same primaries as ITU-R Recommendation
-   * BT.709
-   * Rendering Intent: Colorimetric
-   * Primaries:
-   *                  x       y
-   *  green           0.300   0.600
-   *  blue            0.150   0.060
-   *  red             0.640   0.330
-   *  white (D65)     0.3127  0.3290
-   *
-   * PC/Internet (sRGB) Inverse Gamma Correction (IGC):
-   *
-   *  if Vnonlinear ≤ 0.03928
-   *    Vlinear = Vnonlinear / 12.92
-   *  else
-   *    Vlinear = ((Vnonlinear + 0.055)/1.055) ^ 2.4
-   *
-   * PC/Internet (sRGB) Gamma Correction (GC):
-   *
-   *  if Vlinear ≤ 0.0031308
-   *    Vnonlinear = 12.92 * Vlinear
-   *  else
-   *    Vnonlinear = 1.055 * (Vlinear)^(1/2.4) – 0.055
-   */
-  SRGB = 7,
+    /**
+     * SRGB corresponds with display settings that implement
+     * the sRGB color space. Uses the same primaries as ITU-R Recommendation
+     * BT.709
+     * Rendering Intent: Colorimetric
+     * Primaries:
+     *                  x       y
+     *  green           0.300   0.600
+     *  blue            0.150   0.060
+     *  red             0.640   0.330
+     *  white (D65)     0.3127  0.3290
+     *
+     * PC/Internet (sRGB) Inverse Gamma Correction (IGC):
+     *
+     *  if Vnonlinear ≤ 0.03928
+     *    Vlinear = Vnonlinear / 12.92
+     *  else
+     *    Vlinear = ((Vnonlinear + 0.055)/1.055) ^ 2.4
+     *
+     * PC/Internet (sRGB) Gamma Correction (GC):
+     *
+     *  if Vlinear ≤ 0.0031308
+     *    Vnonlinear = 12.92 * Vlinear
+     *  else
+     *    Vnonlinear = 1.055 * (Vlinear)^(1/2.4) – 0.055
+     */
+    SRGB = 7,
 
-  /**
-   * ADOBE_RGB corresponds with the RGB color space developed
-   * by Adobe Systems, Inc. in 1998.
-   * Rendering Intent: Colorimetric
-   * Primaries:
-   *                  x       y
-   *  green           0.210   0.710
-   *  blue            0.150   0.060
-   *  red             0.640   0.330
-   *  white (D65)     0.3127  0.3290
-   *
-   * Gamma: 2.2
-   */
-  ADOBE_RGB = 8,
+    /**
+     * ADOBE_RGB corresponds with the RGB color space developed
+     * by Adobe Systems, Inc. in 1998.
+     * Rendering Intent: Colorimetric
+     * Primaries:
+     *                  x       y
+     *  green           0.210   0.710
+     *  blue            0.150   0.060
+     *  red             0.640   0.330
+     *  white (D65)     0.3127  0.3290
+     *
+     * Gamma: 2.2
+     */
+    ADOBE_RGB = 8,
 
-  /**
-   * DISPLAY_P3 is a color space that uses the DCI_P3 primaries,
-   * the D65 white point and the SRGB transfer functions.
-   * Rendering Intent: Colorimetric
-   * Primaries:
-   *                  x       y
-   *  green           0.265   0.690
-   *  blue            0.150   0.060
-   *  red             0.680   0.320
-   *  white (D65)     0.3127  0.3290
-   *
-   * PC/Internet (sRGB) Gamma Correction (GC):
-   *
-   *  if Vlinear ≤ 0.0030186
-   *    Vnonlinear = 12.92 * Vlinear
-   *  else
-   *    Vnonlinear = 1.055 * (Vlinear)^(1/2.4) – 0.055
-   *
-   * Note: In most cases sRGB transfer function will be fine.
-   */
-  DISPLAY_P3 = 9
+    /**
+     * DISPLAY_P3 is a color space that uses the DCI_P3 primaries,
+     * the D65 white point and the SRGB transfer functions.
+     * Rendering Intent: Colorimetric
+     * Primaries:
+     *                  x       y
+     *  green           0.265   0.690
+     *  blue            0.150   0.060
+     *  red             0.680   0.320
+     *  white (D65)     0.3127  0.3290
+     *
+     * PC/Internet (sRGB) Gamma Correction (GC):
+     *
+     *  if Vlinear ≤ 0.0030186
+     *    Vnonlinear = 12.92 * Vlinear
+     *  else
+     *    Vnonlinear = 1.055 * (Vlinear)^(1/2.4) – 0.055
+     *
+     * Note: In most cases sRGB transfer function will be fine.
+     */
+    DISPLAY_P3 = 9
 };
 
 /**
diff --git a/graphics/composer/2.1/default/ComposerClient.cpp b/graphics/composer/2.1/default/ComposerClient.cpp
index 87e4d3b..ce4e17f 100644
--- a/graphics/composer/2.1/default/ComposerClient.cpp
+++ b/graphics/composer/2.1/default/ComposerClient.cpp
@@ -655,18 +655,24 @@
     auto fence = readFence();
     auto dataspace = readSigned();
     auto damage = readRegion((length - 4) / 4);
+    bool closeFence = true;
 
     auto err = lookupBuffer(BufferCache::CLIENT_TARGETS,
             slot, useCache, clientTarget, &clientTarget);
     if (err == Error::NONE) {
         err = mHal.setClientTarget(mDisplay, clientTarget, fence,
                 dataspace, damage);
-
-        updateBuffer(BufferCache::CLIENT_TARGETS, slot, useCache,
-                clientTarget);
+        auto updateBufErr = updateBuffer(BufferCache::CLIENT_TARGETS, slot,
+                useCache, clientTarget);
+        if (err == Error::NONE) {
+            closeFence = false;
+            err = updateBufErr;
+        }
+    }
+    if (closeFence) {
+        close(fence);
     }
     if (err != Error::NONE) {
-        close(fence);
         mWriter.setError(getCommandLoc(), err);
     }
 
@@ -683,17 +689,23 @@
     auto slot = read();
     auto outputBuffer = readHandle(&useCache);
     auto fence = readFence();
+    bool closeFence = true;
 
     auto err = lookupBuffer(BufferCache::OUTPUT_BUFFERS,
             slot, useCache, outputBuffer, &outputBuffer);
     if (err == Error::NONE) {
         err = mHal.setOutputBuffer(mDisplay, outputBuffer, fence);
-
-        updateBuffer(BufferCache::OUTPUT_BUFFERS,
-            slot, useCache, outputBuffer);
+        auto updateBufErr = updateBuffer(BufferCache::OUTPUT_BUFFERS,
+                slot, useCache, outputBuffer);
+        if (err == Error::NONE) {
+            closeFence = false;
+            err = updateBufErr;
+        }
+    }
+    if (closeFence) {
+        close(fence);
     }
     if (err != Error::NONE) {
-        close(fence);
         mWriter.setError(getCommandLoc(), err);
     }
 
@@ -786,17 +798,23 @@
     auto slot = read();
     auto buffer = readHandle(&useCache);
     auto fence = readFence();
+    bool closeFence = true;
 
     auto err = lookupBuffer(BufferCache::LAYER_BUFFERS,
             slot, useCache, buffer, &buffer);
     if (err == Error::NONE) {
         err = mHal.setLayerBuffer(mDisplay, mLayer, buffer, fence);
-
-        updateBuffer(BufferCache::LAYER_BUFFERS,
-            slot, useCache, buffer);
+        auto updateBufErr = updateBuffer(BufferCache::LAYER_BUFFERS, slot,
+                useCache, buffer);
+        if (err == Error::NONE) {
+            closeFence = false;
+            err = updateBufErr;
+        }
+    }
+    if (closeFence) {
+        close(fence);
     }
     if (err != Error::NONE) {
-        close(fence);
         mWriter.setError(getCommandLoc(), err);
     }
 
@@ -915,8 +933,10 @@
     auto err = lookupLayerSidebandStream(stream, &stream);
     if (err == Error::NONE) {
         err = mHal.setLayerSidebandStream(mDisplay, mLayer, stream);
-
-        updateLayerSidebandStream(stream);
+        auto updateErr = updateLayerSidebandStream(stream);
+        if (err == Error::NONE) {
+            err = updateErr;
+        }
     }
     if (err != Error::NONE) {
         mWriter.setError(getCommandLoc(), err);
@@ -1097,21 +1117,24 @@
     return Error::NONE;
 }
 
-void ComposerClient::CommandReader::updateBuffer(BufferCache cache,
+Error ComposerClient::CommandReader::updateBuffer(BufferCache cache,
         uint32_t slot, bool useCache, buffer_handle_t handle)
 {
     // handle was looked up from cache
     if (useCache) {
-        return;
+        return Error::NONE;
     }
 
     std::lock_guard<std::mutex> lock(mClient.mDisplayDataMutex);
 
     BufferCacheEntry* entry = nullptr;
-    lookupBufferCacheEntryLocked(cache, slot, &entry);
-    LOG_FATAL_IF(!entry, "failed to find the cache entry to update");
+    Error error = lookupBufferCacheEntryLocked(cache, slot, &entry);
+    if (error != Error::NONE) {
+      return error;
+    }
 
     *entry = handle;
+    return Error::NONE;
 }
 
 } // namespace implementation
diff --git a/graphics/composer/2.1/default/ComposerClient.h b/graphics/composer/2.1/default/ComposerClient.h
index c973351..3d10f80 100644
--- a/graphics/composer/2.1/default/ComposerClient.h
+++ b/graphics/composer/2.1/default/ComposerClient.h
@@ -173,7 +173,7 @@
         Error lookupBuffer(BufferCache cache, uint32_t slot,
                 bool useCache, buffer_handle_t handle,
                 buffer_handle_t* outHandle);
-        void updateBuffer(BufferCache cache, uint32_t slot,
+        Error updateBuffer(BufferCache cache, uint32_t slot,
                 bool useCache, buffer_handle_t handle);
 
         Error lookupLayerSidebandStream(buffer_handle_t handle,
@@ -182,9 +182,9 @@
             return lookupBuffer(BufferCache::LAYER_SIDEBAND_STREAMS,
                     0, false, handle, outHandle);
         }
-        void updateLayerSidebandStream(buffer_handle_t handle)
+        Error updateLayerSidebandStream(buffer_handle_t handle)
         {
-            updateBuffer(BufferCache::LAYER_SIDEBAND_STREAMS,
+            return updateBuffer(BufferCache::LAYER_SIDEBAND_STREAMS,
                     0, false, handle);
         }
 
diff --git a/ir/1.0/Android.bp b/ir/1.0/Android.bp
index 6f52736..2612bd2 100644
--- a/ir/1.0/Android.bp
+++ b/ir/1.0/Android.bp
@@ -52,13 +52,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/nfc/1.0/Android.bp b/nfc/1.0/Android.bp
index f583a42..d62e0a3 100644
--- a/nfc/1.0/Android.bp
+++ b/nfc/1.0/Android.bp
@@ -59,13 +59,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/radio/1.0/Android.bp b/radio/1.0/Android.bp
index 768de49..e89a743 100644
--- a/radio/1.0/Android.bp
+++ b/radio/1.0/Android.bp
@@ -80,13 +80,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/radio/deprecated/1.0/Android.bp b/radio/deprecated/1.0/Android.bp
index e81186c..af93ec5 100644
--- a/radio/deprecated/1.0/Android.bp
+++ b/radio/deprecated/1.0/Android.bp
@@ -63,7 +63,6 @@
         "libutils",
         "libcutils",
         "android.hardware.radio@1.0",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
@@ -71,6 +70,5 @@
         "libhwbinder",
         "libutils",
         "android.hardware.radio@1.0",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/renderscript/1.0/Android.bp b/renderscript/1.0/Android.bp
index b82dc4a..b92b6f6 100644
--- a/renderscript/1.0/Android.bp
+++ b/renderscript/1.0/Android.bp
@@ -59,13 +59,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/renderscript/1.0/default/Android.bp b/renderscript/1.0/default/Android.bp
index 29b781e..c4bd1b3 100644
--- a/renderscript/1.0/default/Android.bp
+++ b/renderscript/1.0/default/Android.bp
@@ -17,6 +17,5 @@
         "libhidltransport",
         "libutils",
         "android.hardware.renderscript@1.0",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/sensors/1.0/default/Sensors.h b/sensors/1.0/default/Sensors.h
index 7d715e0..be00a96 100644
--- a/sensors/1.0/default/Sensors.h
+++ b/sensors/1.0/default/Sensors.h
@@ -18,6 +18,7 @@
 
 #define HARDWARE_INTERFACES_SENSORS_V1_0_DEFAULT_SENSORS_H_
 
+#include <android-base/macros.h>
 #include <android/hardware/sensors/1.0/ISensors.h>
 #include <hardware/sensors.h>
 #include <mutex>
diff --git a/tests/bar/1.0/Android.bp b/tests/bar/1.0/Android.bp
index f7a6f75..8b2111f 100644
--- a/tests/bar/1.0/Android.bp
+++ b/tests/bar/1.0/Android.bp
@@ -81,7 +81,6 @@
         "libutils",
         "libcutils",
         "android.hardware.tests.foo@1.0",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
@@ -89,6 +88,5 @@
         "libhwbinder",
         "libutils",
         "android.hardware.tests.foo@1.0",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/tests/baz/1.0/Android.bp b/tests/baz/1.0/Android.bp
index e55a782..22e1e4b 100644
--- a/tests/baz/1.0/Android.bp
+++ b/tests/baz/1.0/Android.bp
@@ -73,13 +73,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/tests/baz/1.0/default/Android.bp b/tests/baz/1.0/default/Android.bp
index 794cdf5..ef1c28e 100644
--- a/tests/baz/1.0/default/Android.bp
+++ b/tests/baz/1.0/default/Android.bp
@@ -12,6 +12,5 @@
         "libhidltransport",
         "libutils",
         "android.hardware.tests.baz@1.0",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/tests/expression/1.0/Android.bp b/tests/expression/1.0/Android.bp
index 6fcc0f8..9b938b1 100644
--- a/tests/expression/1.0/Android.bp
+++ b/tests/expression/1.0/Android.bp
@@ -55,13 +55,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/tests/foo/1.0/Android.bp b/tests/foo/1.0/Android.bp
index a631be8..da2120f 100644
--- a/tests/foo/1.0/Android.bp
+++ b/tests/foo/1.0/Android.bp
@@ -80,13 +80,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/tests/hash/1.0/Android.bp b/tests/hash/1.0/Android.bp
index aeefeed..db72039 100644
--- a/tests/hash/1.0/Android.bp
+++ b/tests/hash/1.0/Android.bp
@@ -48,13 +48,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/tests/hash/1.0/default/Android.bp b/tests/hash/1.0/default/Android.bp
index e798a66..d6e9630 100644
--- a/tests/hash/1.0/default/Android.bp
+++ b/tests/hash/1.0/default/Android.bp
@@ -10,6 +10,5 @@
         "libhidltransport",
         "libutils",
         "android.hardware.tests.hash@1.0",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/tests/inheritance/1.0/Android.bp b/tests/inheritance/1.0/Android.bp
index 11ee4f9..8569c40 100644
--- a/tests/inheritance/1.0/Android.bp
+++ b/tests/inheritance/1.0/Android.bp
@@ -69,13 +69,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/tests/libhwbinder/1.0/Android.bp b/tests/libhwbinder/1.0/Android.bp
index e8d28a3..62e0050 100644
--- a/tests/libhwbinder/1.0/Android.bp
+++ b/tests/libhwbinder/1.0/Android.bp
@@ -55,13 +55,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/tests/memory/1.0/Android.bp b/tests/memory/1.0/Android.bp
index e49f436..4d8febf 100644
--- a/tests/memory/1.0/Android.bp
+++ b/tests/memory/1.0/Android.bp
@@ -48,13 +48,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/tests/msgq/1.0/Android.bp b/tests/msgq/1.0/Android.bp
index 98bdd19..e5d3a82 100644
--- a/tests/msgq/1.0/Android.bp
+++ b/tests/msgq/1.0/Android.bp
@@ -55,13 +55,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/tests/msgq/1.0/default/Android.bp b/tests/msgq/1.0/default/Android.bp
index 16018ac..e3c49e7 100644
--- a/tests/msgq/1.0/default/Android.bp
+++ b/tests/msgq/1.0/default/Android.bp
@@ -31,7 +31,6 @@
         "liblog",
         "libutils",
         "android.hardware.tests.msgq@1.0",
-        "android.hidl.base@1.0",
     ],
 }
 
diff --git a/tests/pointer/1.0/Android.bp b/tests/pointer/1.0/Android.bp
index 48f2ec0..d1eafb0 100644
--- a/tests/pointer/1.0/Android.bp
+++ b/tests/pointer/1.0/Android.bp
@@ -55,13 +55,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/tests/versioning/1.0/Android.bp b/tests/versioning/1.0/Android.bp
index ee41ea4..13c1327 100644
--- a/tests/versioning/1.0/Android.bp
+++ b/tests/versioning/1.0/Android.bp
@@ -48,13 +48,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/tests/versioning/2.2/Android.bp b/tests/versioning/2.2/Android.bp
index bf412a6..910f7b4 100644
--- a/tests/versioning/2.2/Android.bp
+++ b/tests/versioning/2.2/Android.bp
@@ -55,13 +55,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/tests/versioning/2.3/Android.bp b/tests/versioning/2.3/Android.bp
index a8aee8e..6359eba 100644
--- a/tests/versioning/2.3/Android.bp
+++ b/tests/versioning/2.3/Android.bp
@@ -64,7 +64,6 @@
         "libcutils",
         "android.hardware.tests.versioning@1.0",
         "android.hardware.tests.versioning@2.2",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
@@ -73,6 +72,5 @@
         "libutils",
         "android.hardware.tests.versioning@1.0",
         "android.hardware.tests.versioning@2.2",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/tests/versioning/2.4/Android.bp b/tests/versioning/2.4/Android.bp
index 37e787f..67cc318 100644
--- a/tests/versioning/2.4/Android.bp
+++ b/tests/versioning/2.4/Android.bp
@@ -50,7 +50,6 @@
         "libcutils",
         "android.hardware.tests.versioning@2.2",
         "android.hardware.tests.versioning@2.3",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
@@ -59,6 +58,5 @@
         "libutils",
         "android.hardware.tests.versioning@2.2",
         "android.hardware.tests.versioning@2.3",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/wifi/1.0/Android.bp b/wifi/1.0/Android.bp
index 9126aaf..256fad4 100644
--- a/wifi/1.0/Android.bp
+++ b/wifi/1.0/Android.bp
@@ -136,13 +136,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }
diff --git a/wifi/supplicant/1.0/Android.bp b/wifi/supplicant/1.0/Android.bp
index d6cb071..bc57cf7 100644
--- a/wifi/supplicant/1.0/Android.bp
+++ b/wifi/supplicant/1.0/Android.bp
@@ -129,13 +129,11 @@
         "liblog",
         "libutils",
         "libcutils",
-        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
-        "android.hidl.base@1.0",
     ],
 }