[DO NOT MERGE ANYWHERE] Update support library from master 2930378.

Commands:
1. cd prebuilts/sdk
2. ./update_current.sh --support ~/Downloads/sdk-repo-linux-support-2930378.zip

The sdk-repo-linux-support-2930378.zip was downloaded from:
https://android-build-uber.corp.google.com/builds/git_master-linux-sdk_phone_armv7-win_sdk/2930378/sdk-repo-linux-support-2930378.zip

Bug 28952932

Change-Id: I486f2640692e28a02cae0c7b3a30c01d2a069548
521 files changed