Revert "FM Radio: avoid deadlock when disabling RDS"

This reverts commit 686182e137ac7b665105312518de1a3a6d01147d.
Revert "FM Radio: do not try to change thread priority"

This reverts commit 936318e3278d015b371075c1fd6d07330700279f.
Revert "FM Radio: Remove unnecessary line breaks"

This reverts commit 738059d0c9a335858e79d58944d0c2e7673d6f62.
Revert "FM Radio: Add support for FM Radio in Android"

This reverts commit c6cdba7f12f294ed4f541f348e4b3f6e2510c046.