FMRadio: Start ForegroundService with a type

- As per [1], this is needed to be done to fix this crash:

07-22 10:36:50.055  8030  8030 E AndroidRuntime: Process: com.android.fmradio, PID: 8030
07-22 10:36:50.055  8030  8030 E AndroidRuntime: java.lang.RuntimeException: Unable to stop activity {com.android.fmradio/com.android.fmradio.FmMainActivity}: android.app.MissingForegroundServiceTypeException: Starting FGS without a type  callerApp=ProcessRecord{250dd38 8030:com.android.fmradio/1000} targetSDK=30
07-22 10:36:50.055  8030  8030 E AndroidRuntime: Caused by: android.app.MissingForegroundServiceTypeException: Starting FGS without a type  callerApp=ProcessRecord{250dd38 8030:com.android.fmradio/1000} targetSDK=30
07-22 10:36:50.055  8030  8030 E AndroidRuntime: at com.android.fmradio.FmService.showPlayingNotification(FmService.java:2006)
07-22 10:36:50.055  8030  8030 E AndroidRuntime: at com.android.fmradio.FmService.updatePlayingNotification(FmService.java:2028)
07-22 10:36:50.055  8030  8030 E AndroidRuntime: at com.android.fmradio.FmMainActivity.onStop(FmMainActivity.java:713)
07-22 10:36:50.061  1781  3763 W ActivityTaskManager:   Force finishing activity com.android.fmradio/.FmMainActivity

[1]: https://developer.android.com/develop/background-work/services/fgs/service-types#media



Signed-off-by: Cyber Knight <cyberknight755@gmail.com>
Change-Id: I7e318fb63dcff9c8b8cd9e75df269ae50265c26d