Fix 2209967 Tonegenerator: mutex not release in startTone() upon timeout waiting for the stop sequence to complete.
Fix 2209967 Tonegenerator: mutex not release in startTone() upon timeout waiting for the stop sequence to complete.

Unlock mLock mutex when exiting upon wait stop timeout condition.
Increase timeout delays to avoid timing out when A2DP exits standby.

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base