m8: enable Dexpreopt

Change-Id: Id87909890b25a75f6a5a676a318a40398604f0c6
m8: use VSYNC Phase Offsets

improves responsiveness

Change-Id: I320038728494cc6a947af24c8a289432a6a6d7b3
m8: use default resampler quality

Change-Id: Icb9b4ec99b19c1366e4004d30ca10cc74783b899
m8: do not disable input resampling

Change-Id: I2338871326a141b298fe19d9cad4bf6fd73f83f0
Signed-off-by: Jake Weinstein <xboxlover360@gmail.com>