Remove the right entries from the cache when a GC happens.
Remove the right entries from the cache when a GC happens.

Change-Id: I4649b18c4721a5511a404299e771e675c843407b

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