frameworks/native:  Reset dirtyRect after every queuebuffer call.

Sometimes HWR does not generate dirtyRect even when it updates the
buffer. To avoid incorrect DR calculation in such cases reset
cached dirtyRect after every queueBuffer call.

Change-Id: Iad9a2b1ecb4cf2a3789f2734a2d0e928dc56c9f0
binder: update MemoryHeapIon

* Update from ODROID-XU 04212014 BSP

Change-Id: Ifc2664bcde37a71d855e05e7c9e50288a4508892
reduce PB size from 2MB to 512KB

this allows us to enable h/w acceleration on low-end
devices while keeping memory usage down.

Bug: 6557760
Change-Id: I8af2de3038dc2579360b8b73aa452cb7a0e506a9
egl: Add support for BGRA_8888 format

* Select with BOARD_USE_BGRA_8888 flag

Change-Id: I79a5a9edfef9c264eeeb9807797d03208f9bdbd7