Merge "Replace isWeaklyValidatedHostname with guava" am: 5cadac06b9 am: 1a57bfefb2

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Settings/+/1512667

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I0d47ad22bfa3c226a6a61cb953aac104dabf4ccf