Migrate MediaScannerConnection to using call(). As part of getting MediaProvider to compile against supported APIs, we're moving to the call() method instead of IMediaScannerService. Bug: 137890034 Test: atest --test-mapping packages/providers/MediaProvider Test: atest cts/tests/tests/media/src/android/media/cts/MediaScanner* Change-Id: I1e0d49b686fa3ebc4981cea762fbe7f0f18b4945