Change the keep alive time for excess idle threads.
Change the keep alive time for excess idle threads.

Change-Id: Ie076544df5ee8df185f0824333fdc62203a565c2

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