tree d0c0b68aaf75ad828b5522ab07164924ee16d89a
parent 9295980ac1554ff7c30531298aadec0750b027e0
author Tao Bao <tbao@google.com> 1427829545 -0700
committer Tao Bao <tbao@google.com> 1427831112 -0700

Refactor the codes to call wipe_data/wipe_cache functions

It also changes the return type of wipe_data/wipe_cache to bool, so the
caller can get the status accordingly.

Change-Id: I3022dcdadd6504dac757a52c2932d1176ffd1918