Added some APIs to TelephonyManager

toggleHold()
merge()
mute(boolean mute)
playDtmfTone(char digit, boolean timedShortCode)
stopDtmfTone()
swap()
addListener(ITelephonyListener listener)

Also add ITelephonyListener to get more detailed phone updates

Bug: 13302451
Change-Id: Iaf5970700bb107d2735a97a66cbb82477355bfe4
4 files changed