[RenderScript] Add create(Context, int) to be compatible with the thunker layer & minor tweaks.
[RenderScript] Add create(Context, int) to be compatible with
the thunker layer & minor tweaks.

bug:19888167
bug:19888339
Change-Id: Ib264c4ca48c990b3476456838047f73d95f6752f

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