Show visible feedback that private browsing not supported.

As well as a message in logcat, provide visual feedback that the
WebView no longer supports private browsing when an app attempts
to create one.

Bug: 7390806
Change-Id: I9c66bcf9e55f4c085475ab462a0d6e846c55e4dc
4 files changed
tree: 23ea10ce1af02978249d712808d5a54cc6609594
  1. chromium/
  2. Android.mk