Make IGraphicBufferProducer a hybrid interface.

android::IGraphicBufferProducer will now become a hybrid
interface on
top of the HIDL interface
android::hardware::graphics::bufferqueue::V1_0::IGraphicBufferProducer.

Test: With CtsMediaTestCases.apk installed,
adb shell am instrument -e size small -w
'android.media.cts/android.support.test.runner.AndroidJUnitRunner'

Bug: 33854657
Change-Id: Ia8914ea49d2acf3d43682982a164d7e10f7b8542