[Feature][ZXW-262][ecall] support ecall, record mute state for upper
layer

       Affected branch: unknown
       Affected module: unknown
       Is it affected on both ZXIC and MTK: ZXIC
       Self-test: Yes
       Doc Update: No

Change-Id: Ic7ca5d9dfeae0f243338aff92c6071231b8d6794
1 file changed