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,88728
since a lot has been changed in bettween.

Change-Id: I6a0e4579a98ebda6b89daad0b520bdd80d819a17
2 files changed