Revert "Gralloc: FB1 identifier flags."

This reverts commit 10cddc919f4aa877843c11f7afed0390117e0231.
Revert "hwc:wfd: Pass screen orientation to HWC"

This reverts commit da9ca155305351d695be82a8f2ac6625d3257c42.
Revert "hwc: Extended API for querying display info from SurfaceFlinger"

This reverts commit bccf3bf79dc16dd0a36721a282bfe8fd6c9467fc.
Revert "hwc: Extended API for querying display layer stack"

This reverts commit cfafaa922aac3782e52a490148cf721e8f0980e5.
Revert "libhardware: add LAYERDATA OMAP extension to hwc"

This reverts commit fd3b970d0ad4a43528689ba3cf880ccbbf104e0b.
Revert "libhardware: OMAP extension to extend hwc api"

This reverts commit 80b3f01cb415fe3e1cb78c69a765f6070fb753d2.