androidprojectrebaser: Inform about empty rebases
androidprojectrebaser: Inform about empty rebases

 * Use the information color rather than error

Change-Id: I1b481ec4b495149f12e4f29e2358ef1a5789e2ea
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools