Fail if we're unable to agree on an ISA for shared UIDs.

It's not worth the complexity of rescanning the APK and
extracting a shared library with a different ABI.

Also gets rid of an unnecessary command line argument and
checks for dex-opt failures while adjusting shared ABIs.

bug: 14453227

Change-Id: I6a0695e24cba37e93540c540507088e95b89089b