patch: initial patch for l-preview

Conflicts:
	patch/external/bluetooth/bluedroid/btif/src/bluetooth.c
	patch/external/bluetooth/bluedroid/main/Android.mk
	patch/frameworks/base/media/java/android/media/MediaRecorder.java
	patch/frameworks/opt/telephony/src/java/com/android/internal/telephony/RIL.java
	patch/hardware/broadcom/libbt/Android.mk
	patch/hardware/libhardware_legacy/audio/AudioPolicyManagerBase.cpp
	patch/packages/apps/Bluetooth/Android.mk
	patch/packages/apps/Bluetooth/fmradio/AndroidManifest.xml
	patch/system/core/include/private/android_filesystem_config.h
	patch/system/core/include/system/audio.h
	patch/system/core/init/builtins.c
	patch/system/core/libutils/VectorImpl.cpp
	patch/system/core/rootdir/init.rc