Fix file descriptor leak when opening invalid archives.
Fix file descriptor leak when opening invalid archives.

I've inspected all other callers of OpenArchive and this seems
to be the only broken one. The easiest way to reproduce this is
by using getPackageArchiveInfo or by adding an asset path that
isn't a valid APK.

bug: https://code.google.com/p/android/issues/detail?id=171099
Change-Id: I41cd85d20f26ad47968e2a6f1384cc03330b558b

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