In mapper, use rcReadColorBufferDMA if available

Bug: 189960317
Test: ./cts-tradefed run cts -m CtsViewTestCases -t
android.view.cts.ASurfaceControlBackPressureTest#testSurfaceTransaction_setEnableBackPressure
fails fewer frames
Test: ./cts-tradefed run cts -m CtsNativeHardwareTestCases 100%

Change-Id: I0be2dabb0b78818e53911864f0848d5e4954e8c9
Merged-In: I0be2dabb0b78818e53911864f0848d5e4954e8c9
1 file changed