tree a6e8549e0f230b0ee31bc5bf1f8db5048e41f8dc
parent 84e0323541bd0840e9454398df0e6923f16e6bc1
author Tao Bao <tbao@google.com> 1426040711 -0700
committer The Android Automerger <android-build@google.com> 1426096962 -0700

updater: Check the return value from ApplyImagePatch / ApplyBSDiffPatch

Return NULL to abort the update process. Note that returning ""
won't stop the script.

Change-Id: Ifd108c1356f7c92a905c8776247a8842c6445319