tree 6c28ab19c7a2a4dddd17f388520bef0379c454de
parent afc5d70a848a2c43fb588b85f12dc3fc1a56c6d1
author Jeff Sharkey <jsharkey@android.com> 1418085727 -0800
committer Jeff Sharkey <jsharkey@android.com> 1418085727 -0800

Use more accurate result for signature mismatch.

INSTALL_FAILED_UPDATE_INCOMPATIBLE is a better description of the
real underlying cause when signatures don't match.

Bug: 18413784
Change-Id: Ia96a20b3335e5a46c7c28359155df5174191958c