hwcomposer: 8x26-1080p: dont allow mdp comp with HFLIP.

If an incoming layer has HFLIP tranform it needs two lines of
SMP buffer(or latency buffer). For panels with width greater than
1k this is costly. Fallback to GPU if RGB layer transform has HFLIP.

Change-Id: I9de63bf088d6afa0924ece7ac75e68f0bab7a6b5
1 file changed