gralloc4: Support RAW plane type

RAW12 and RAW16 buffers will have a PlaneLayoutComponentType of
type RAW. Update getPlaneLayoutComponentTypeName to include the
new type.

Test: Gralloc4_test
Bug: 149869426

Change-Id: Ib10b7d2c4dc3e7a68fc235391829ae7d6c6b2ea8
1 file changed