Fix javadoc error in Debug.getRuntimeStats().
Fix javadoc error in Debug.getRuntimeStats().

Bug: 19825248
Change-Id: Id7131732d30f01c3edd01c6d4c7c391095ffd054

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