* Target Sdk Version 26
* Add Adaptive Icon For API 26+
* Update travis to compile against API 26
* Move SVG files to art/launcher/v26/ per CR
* Scale logo to 83%
* Update buildToolsVersion to 26.0.2
* Update travis build-tools to 26.0.2
* Updated travis build to include running local tests for each PR
* Removed unused methods from Utils.java
* Moved all resources required by both local and instrumentation tests
to testUtils
* Added proguard rules for the test builds to prevent proguard from discarding
the junit classes