Merge "Take a wrench to the pipes" into oc-dr1-dev

...I/src/com/android/systemui/DockedStackExistsListener.java

...android/systemui/fragments/ExtensionFragmentListener.java

...ndroid/systemui/statusbar/policy/ExtensionController.java

...id/systemui/statusbar/policy/ExtensionControllerImpl.java

...UI/src/com/android/systemui/util/leak/GarbageMonitor.java

...mUI/src/com/android/systemui/volume/VolumeDialogImpl.java

...android/systemui/utils/leaks/FakeExtensionController.java