Promotion of av-aosp.lnx.2.0-00019.

CRs      Change ID                                   Subject
--------------------------------------------------------------------------------------------------------------
1081913   I49b05621fc625932b75d4b8ff2ef2370a53e015d   audio: prohibit track reusing if effect chain moves
1073831 1080485   Ib39b5673ec4456d7b747a5ad108a1fc90f7f50de   AudioTrack: Don't tear down sink for invalid offload tra
1073831   Icfbfcefd0df4e88671e3f10f0031610ef502aa42   AudioFlinger: increase size of client heap
1085154   I8dda57f39bbf5e289facc5ce261d53d988630620   StagefrightRecorder: add null check for recording source
1077558   Id240a23f2c16e89f41f9156277f4dcbe0969f954   libstagefright: omx: Prevent assertion due to state mism

Change-Id: Ifa8e94695ac4e9ff2b1494d042c939d103e76003
CRs-Fixed: 1081913, 1073831, 1085154, 1077558, 1080485