commit 970d77913ba2554baa8821206b89026ec099f663
author chen xu <fionaxu@google.com> Wed Dec 12 19:59:30 2018 -0800
committer Chen Xu <fionaxu@google.com> Thu Dec 20 18:41:11 2018 +0000
tree a8ffd6d0d290dc45b21a3d5a321c3d67ddd304c5
parent 7baf5a8d73841b4fb8de3c20aed83aea19e7f1c2

new SystemAPI for preciseCallState and DisconnectCause

1. decouple disconnectCause and preciseDisconnectCuase from
 preciseCallState.
 2. expose preciseCallState to SystemAPI and expose
onPreciseCallStateChanged to System API
3. remove/hide ImsReasonInfo from PreciseDisconnectCuase
4. expose DiconnectCuase and PreciseDisconnectCause to System API
5. new onDisconnectCauseChanged API on PhoneStateListener for CS call
 and use ImsCallSessionListener for IMS call(imsreasonInfo)
6. add read_precise_phone_state to shell apk to enable GTS test

Bug: 119890559
Test: atest GtsGmscoreHostTestCases:TelephonyHostTest#testPhoneStateListener
Change-Id: If9256feff16b6bcaef1dfe194c2b0df2a48436b0
(cherry picked from commit 6a942d488af3356fe84b0cef396e613d8d74101e)
Merged-in: If9256feff16b6bcaef1dfe194c2b0df2a48436b0