repocomparetags: Add an helper to compare android tags
repocomparetags: Add an helper to compare android tags

Change-Id: I36375b10d81ef461bef2a4baff0db4ee7fa339ac
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools