libhwc2.1: AFBC 32x8 flag changes

Bug: 253121964
Test: G2D scaling for some AFBC 32x8 samples using hwc-tester
Signed-off-by: Yoshita Sharma <yoshita.as@samsung.com>
Signed-off-by: Wiwit Rifa'i <wiwitrifai@google.com>
Change-Id: I74dcc0da916695d07df01ed812ea75525e20b7b5
6 files changed