Fix color conversion in HostFrameComposer am: 8c528191b2

Original change: https://googleplex-android-review.googlesource.com/c/device/generic/goldfish-opengl/+/25673952

Change-Id: I4b8f2d3606b91a0c34f8fded1489938350202ba5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>