Revert "fmradio: use caf naming"

This reverts commit 4492e797a5bd71d08acbd354aa6808d8f1a370c1.
Revert "FM Radio: Add support for FM Radio in Android"

This reverts commit a45843ff5808581e384006626987258011a93f7a.

Conflicts:

	media/libstagefright/FMRadioSource.cpp