tree af0ccaddc76b29a31ff385446728ae9a108ce166
parent cb63f6e30408f21b1f795c7db12fb2d1ecb452c0
author Adrian Ludwig <aludwig@google.com> 1352502090 -0800
committer Nick Kralevich <nnk@google.com> 1355511509 -0800

Add documentation for new security features in the Android 4.2 release.

Also, fill in some gaps in some gaps in the Android Security overview, such as
support for VPN and cryptography.

Change-Id: I48fe22ffb7ea94b133ba1b0e0a6586e7a5f18938