DO NOT MERGE Updated prerelease SDK in master branch.

Extracted from android-sdk_1006263_mac-x86.zip of
http://android-build.corp.google.com/builds/git_master-mac-sdk/1006263

Bug: 12897037
Change-Id: I3ea789f9a7ea46f5a3131dedfd5b6ea1c2baa000
3 files changed