Enhancements include:
+ Change default delay after each set operation
from 0.1 to 0.0 seconds. This significantly
increases the default rate at which operations
are performed.
+ Make sourceCrop to displayFrame scale
factor of 1.0 a frequent occurance.
+ Enable use of RGB888 and YV12 graphic formats.
+ Add initCheck() call after creation of a
GraphicBuffer, to confirm it was created
without any errors.
Change-Id: I1606dff3924a23bdd5cb27ba302bebb4f200d768
