Fix hardware protected path for AImageReader.

Ensure IGraphicBufferConsumer is marked protected for AImageReader if
the client requests AHARDWAREBUFFER_USAGE_PROTECTED_CONTENT usage.

BUG: crbug.com/889328
Test: Manual testing.
Change-Id: Ic5a866cd294f44fc3669bbd1fdf0ab4a25b3239f
1 file changed