Set default heap size to 5MB.
Set default heap size to 5MB.

Change-Id: Iac8ae3cbe6b431767776653c9f430983172cfb6f

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