Skip over directories when iterating tombstones
Skip over directories when iterating tombstones

Bug: 17380601
Change-Id: Idb6e559a89c7438751bd7a52375b9789454e0334

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