binder: update MemoryHeapIon

* Update from ODROID-XU 04212014 BSP

Change-Id: Ifc2664bcde37a71d855e05e7c9e50288a4508892
(cherry picked from commit 5f550b26b80f3ad0a077041285840078aa941c59)
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
(cherry picked from commit 974ff062b05784e94bf43a492dd449447656b88c)
egl: Add support for BGRA_8888 format

* Select with BOARD_USE_BGRA_8888 flag

Change-Id: I79a5a9edfef9c264eeeb9807797d03208f9bdbd7
(cherry picked from commit f2b22734d575abcd399a2e3da94c28807c1e64c7)
Fix QCOM_BSP ifdef

Change-Id: Ibeee2edadcf03b92f31cf3af3c0be0e2e0af023d
(cherry picked from commit c556a0e4ae2420212a3283a7543b9d5924a67082)