Remain in call audio mode while phone is offhook.

While offhook, even the call is on hold, setAudioMode() remains in
MODE_IN_CALL (or MODE_IN_COMMUNICATION for SIP) rather than
switching back to NORMAL.

bug:5546901
Change-Id: I0189dc010d1109895cc38e17b1b80418445d514a
1 file changed