Be prepared for 8k video frames in bitmaps

Two tweaks:

1) Allow software bitmaps up to 150MB, which can fit 8k (~130MB)
bitmaps

2) Always allow hardware bitmaps - we've already paid the cost
and already know it'll work

Fixes: 337114346
Test: make
Change-Id: Ia295dffb842b3f365cdf25f9a62ad1cd2920d542