gralloc: use gralloctypes helper

Use the gralloctypes helper function to determine if a
PlaneLayoutComponentType is a standard type. Also update the
lock RGBA_8888 function to ignore non-standard
PlaneLayoutComponentTypes.

Bug: 141632767
Test: VtsHalGraphicsMapperV4_0TargetTest

Change-Id: Ie3ea4a22b2c9ecf4b1d85932833978d2e23f77c1
1 file changed