Merge changes Ic6ad2c94,I7d0f0397,I5b298cb5,Ib64b8628,I28428a7c into tizen
authorSuyeon Hwang <stom.hwang@samsung.com>
Fri, 27 Nov 2020 05:14:45 +0000 (05:14 +0000)
committerGerrit Code Review <gerrit@review>
Fri, 27 Nov 2020 05:14:45 +0000 (05:14 +0000)
* changes:
  Move service engine status check logic into tts_core
  Remove extern definition from tts_dbus
  Remove shared variable for callback timer
  Refactor prepare/unprepare logic with tts_core
  Introduce tts_core.h/c as genral logic layer


Trivial merge