Handle TimeUntilNextProcess in StartupShutdownWithExternalADM
Handle TimeUntilNextProcess in StartupShutdownWithExternalADM

BUG=webrtc:7258

Review-Url: https://codereview.webrtc.org/2719113002
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#16894}

ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,TimothyGu/libilbc