diff --git a/libs/graphicsenv/GraphicsEnv.cpp b/libs/graphicsenv/GraphicsEnv.cpp
index bb9e263..6e59cc5 100644
--- a/libs/graphicsenv/GraphicsEnv.cpp
+++ b/libs/graphicsenv/GraphicsEnv.cpp
@@ -139,12 +139,8 @@
     return env;
 }
 
-int GraphicsEnv::getCanLoadSystemLibraries() {
-    if (property_get_bool("ro.debuggable", false) && prctl(PR_GET_DUMPABLE, 0, 0, 0, 0)) {
-        // Return an integer value since this crosses library boundaries
-        return 1;
-    }
-    return 0;
+bool GraphicsEnv::isDebuggable() {
+    return prctl(PR_GET_DUMPABLE, 0, 0, 0, 0) > 0;
 }
 
 void GraphicsEnv::setDriverPathAndSphalLibraries(const std::string path,
diff --git a/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h b/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h
index 937bcd9..227b458 100644
--- a/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h
+++ b/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h
@@ -84,7 +84,16 @@
 public:
     static GraphicsEnv& getInstance();
 
-    int getCanLoadSystemLibraries();
+    // Check if the process is debuggable. It returns false except in any of the
+    // following circumstances:
+    // 1. ro.debuggable=1 (global debuggable enabled).
+    // 2. android:debuggable="true" in the manifest for an individual app.
+    // 3. An app which explicitly calls prctl(PR_SET_DUMPABLE, 1).
+    // 4. GraphicsEnv calls prctl(PR_SET_DUMPABLE, 1) in the presence of
+    //    <meta-data android:name="com.android.graphics.injectLayers.enable"
+    //               android:value="true"/>
+    //    in the application manifest.
+    bool isDebuggable();
 
     // Set a search path for loading graphics drivers. The path is a list of
     // directories separated by ':'. A directory can be contained in a zip file
diff --git a/opengl/libs/EGL/egl_layers.cpp b/opengl/libs/EGL/egl_layers.cpp
index 9b1b522..408e76b 100644
--- a/opengl/libs/EGL/egl_layers.cpp
+++ b/opengl/libs/EGL/egl_layers.cpp
@@ -337,7 +337,7 @@
 
     // Only enable the system search path for non-user builds
     std::string system_path;
-    if (property_get_bool("ro.debuggable", false) && prctl(PR_GET_DUMPABLE, 0, 0, 0, 0)) {
+    if (android::GraphicsEnv::getInstance().isDebuggable()) {
         system_path = kSystemLayerLibraryDir;
     }
 
diff --git a/services/sensorservice/SensorService.cpp b/services/sensorservice/SensorService.cpp
index 14ed73d..090a0ce 100644
--- a/services/sensorservice/SensorService.cpp
+++ b/services/sensorservice/SensorService.cpp
@@ -208,12 +208,6 @@
                 registerSensor(new RotationVectorSensor(), !needRotationVector, true);
                 registerSensor(new OrientationSensor(), !needRotationVector, true);
 
-                bool needLinearAcceleration =
-                        (virtualSensorsNeeds & (1<<SENSOR_TYPE_LINEAR_ACCELERATION)) != 0;
-
-                registerSensor(new LinearAccelerationSensor(list, count),
-                               !needLinearAcceleration, true);
-
                 // virtual debugging sensors are not for user
                 registerSensor( new CorrectedGyroSensor(list, count), true, true);
                 registerSensor( new GyroDriftSensor(), true, true);
@@ -223,6 +217,11 @@
                 bool needGravitySensor = (virtualSensorsNeeds & (1<<SENSOR_TYPE_GRAVITY)) != 0;
                 registerSensor(new GravitySensor(list, count), !needGravitySensor, true);
 
+                bool needLinearAcceleration =
+                        (virtualSensorsNeeds & (1<<SENSOR_TYPE_LINEAR_ACCELERATION)) != 0;
+                registerSensor(new LinearAccelerationSensor(list, count),
+                               !needLinearAcceleration, true);
+
                 bool needGameRotationVector =
                         (virtualSensorsNeeds & (1<<SENSOR_TYPE_GAME_ROTATION_VECTOR)) != 0;
                 registerSensor(new GameRotationVectorSensor(), !needGameRotationVector, true);
diff --git a/services/surfaceflinger/BufferQueueLayer.cpp b/services/surfaceflinger/BufferQueueLayer.cpp
index cbb9d65..af5fe62 100644
--- a/services/surfaceflinger/BufferQueueLayer.cpp
+++ b/services/surfaceflinger/BufferQueueLayer.cpp
@@ -462,6 +462,7 @@
             status_t result = mQueueItemCondition.waitRelative(mQueueItemLock, ms2ns(500));
             if (result != NO_ERROR) {
                 ALOGE("[%s] Timed out waiting on callback", mName.string());
+                break;
             }
         }
 
@@ -496,6 +497,7 @@
             status_t result = mQueueItemCondition.waitRelative(mQueueItemLock, ms2ns(500));
             if (result != NO_ERROR) {
                 ALOGE("[%s] Timed out waiting on callback", mName.string());
+                break;
             }
         }
 
diff --git a/vulkan/libvulkan/api.cpp b/vulkan/libvulkan/api.cpp
index 3d56656..f8263db 100644
--- a/vulkan/libvulkan/api.cpp
+++ b/vulkan/libvulkan/api.cpp
@@ -124,7 +124,8 @@
     };
 
     void AddImplicitLayers() {
-        if (!is_instance_ || !driver::Debuggable())
+        if (!is_instance_ ||
+            !android::GraphicsEnv::getInstance().isDebuggable())
             return;
 
         GetLayersFromSettings();
@@ -370,7 +371,8 @@
 
    private:
     bool EnableDebugCallback() const {
-        return (is_instance_ && driver::Debuggable() &&
+        return (is_instance_ &&
+                android::GraphicsEnv::getInstance().isDebuggable() &&
                 property_get_bool("debug.vulkan.enable_callback", false));
     }
 
diff --git a/vulkan/libvulkan/driver.cpp b/vulkan/libvulkan/driver.cpp
index 7477351..73ba92c 100644
--- a/vulkan/libvulkan/driver.cpp
+++ b/vulkan/libvulkan/driver.cpp
@@ -755,10 +755,6 @@
 
 }  // anonymous namespace
 
-bool Debuggable() {
-    return (prctl(PR_GET_DUMPABLE, 0, 0, 0, 0) >= 0);
-}
-
 bool OpenHAL() {
     return Hal::Open();
 }
diff --git a/vulkan/libvulkan/driver.h b/vulkan/libvulkan/driver.h
index 047a27a..ffe2a8b 100644
--- a/vulkan/libvulkan/driver.h
+++ b/vulkan/libvulkan/driver.h
@@ -101,7 +101,6 @@
     uint32_t driver_version;
 };
 
-bool Debuggable();
 bool OpenHAL();
 const VkAllocationCallbacks& GetDefaultAllocator();
 
diff --git a/vulkan/libvulkan/layers_extensions.cpp b/vulkan/libvulkan/layers_extensions.cpp
index dd91739..7326692 100644
--- a/vulkan/libvulkan/layers_extensions.cpp
+++ b/vulkan/libvulkan/layers_extensions.cpp
@@ -462,8 +462,7 @@
 void DiscoverLayers() {
     ATRACE_CALL();
 
-    if (property_get_bool("ro.debuggable", false) &&
-        prctl(PR_GET_DUMPABLE, 0, 0, 0, 0)) {
+    if (android::GraphicsEnv::getInstance().isDebuggable()) {
         DiscoverLayersInPathList(kSystemLayerLibraryDir);
     }
     if (!android::GraphicsEnv::getInstance().getLayerPaths().empty())