The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/6a0bcdf0275259958111359d92d8d102126b828d

commit 6a0bcdf0275259958111359d92d8d102126b828d
Author: pkotwicz <pkotwicz@chromium.org>
Date: Thu Nov 10 00:27:18 2016

Fix WebApkValidator#isValidWebApk() on Android N

On Android N, the order of the signatures is reversed

BUG= 663937 

Review-Url: https://codereview.chromium.org/2487893005
Cr-Commit-Position: refs/heads/master@{#431095}

[modify] https://crrev.com/6a0bcdf0275259958111359d92d8d102126b828d/chrome/android/webapk/libs/client/src/org/chromium/webapk/lib/client/WebApkValidator.java