DO NOT MERGE

b/4088884 Backport "Remove content:// protocol handler in web browser"
to Gingerbread

It's a manual cherrypick of
     https://android-git.corp.google.com/g/#change,87278
since a lot has been changed in bettween.

Change-Id: Ic8e3a419571f535bf983f32cd02181ca66d19319
2 files changed