Revert "hwcomposer: Add HWC_BLIT compositiontype value"

This reverts commit f2518e448ad12d6ec07f2b80b106d18855dc9a87.
Revert "hwcomposer: Add HWC_EVENT_ORIENTATION to hwc"

This reverts commit e01c99c5924f1e85fba08e7ab2e9cb0902fa699f.
Revert "gralloc: Fix inverted colors on BRGA"

This reverts commit 42563ed7619d52edabb8bdcadb9a40c936c99ad4.