Make public more RTL APIs
Make public more RTL APIs

- LocaleUtil will help developers to get the layout direction from a Locale

Change-Id: I184ebcc9c208464b20f0454e7a915426640c74f0

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base