SurfaceControlViewHost: Enable HARDWARE_ACCLERATION by default

Normally we rely on the Activity stack to set this for us. Many use
cases require acceleration to be usable, we don't want
to expose the layout params in the public API so instead we just make
HARDWARE_ACCELERATION the default.

Bug: 152103238
Test: SurfaceControlViewHostTests
Change-Id: I767d351b0e5278642ae61074b47f01d185c026c8