[FM] Saved recording option is disabled when FM radio is paused

Launch FM radio app with headset connected -> Play any channel
-> Tap on pause button -> Observe saved recordings option in options menu,
saved recording option is disabled.

Bug 19203981
from: https://partner-android-review.googlesource.com/#/c/200585/



Change-Id: Ia0ce4fe0efbdf3e4d64ffb6b573d27f068c8d260
Signed-off-by: Benson Huang <benson.huang@mediatek.com>