Merge "Expose radio metadata image query APIs as system APIs" into main

core/api/system-current.txt

core/java/android/hardware/radio/RadioMetadata.java

core/java/android/hardware/radio/RadioTuner.java

core/java/android/hardware/radio/TunerAdapter.java

...sts/src/android/hardware/radio/DefaultRadioTunerTest.java

...ioTests/src/android/hardware/radio/RadioMetadataTest.java

...dioTests/src/android/hardware/radio/TunerAdapterTest.java