[Android] Roll android_tools to Android M SDK.

Partially stolen from https://codereview.chromium.org/1297273003/

Android SDK tools 24.3.3 -> 24.3.4
Android Platform tools 22 -> 23
Android SDK build tools 22 -> 23
Android SDK 5.1.1 (API 22) -> 6.0 (API 23)
Android Support Library -> 23.0.0

This also rolls:
Reland x86 toolchain from NDK r10e with a fix of "-mstackrealign" flag.
Add GCM to the Google Play Services Library.

BUG=522182,521527
[email protected]
NOTRY=true

patch from issue 1297273003 at patchset 60001 (http://crrev.com/1297273003#ps60001)

Review URL: https://codereview.chromium.org/1297023003

Cr-Commit-Position: refs/heads/master@{#344409}
14 files changed