Android: Don't check public apk proguard expectations when downstream play services is present

Noticed that the expectations were failing for no-op builds because of
this.

Bug: 882524
Change-Id: If0297c5e0ae0db61529089b6afbaaa430fa1ee01
Reviewed-on: https://chromium-review.googlesource.com/c/1407597
Commit-Queue: agrieve <agrieve@chromium.org>
Reviewed-by: Eric Stevenson <estevenson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#622173}
2 files changed