abi: collapse offset changes in short report

ABI diff post-processing now collapses together runs of "offset
changed" lines to improve readability of the short report.

Bug: 157510812
Change-Id: I896b986f47fcbfb4c2be07a4522b8ac6c6374850
Signed-off-by: Giuliano Procida <gprocida@google.com>
1 file changed