tree af379595375a79103bbad4e8bbb4edfd1926cb06
parent 40a23233ecf3622908a83eee839579131008756b
author Keun Soo YIM <yim@google.com> 1539715195 -0700
committer Keun Soo YIM <yim@google.com> 1540921767 -0700

return -1 iff any file is updated

Test: ./script/update_makefiles.py
Bug: 117826861
Change-Id: I06d622fcff84bc8c4101171d98f7a3008b944dbb