This CL adds two jank tests:
* For opening a root (directory) with many files.
* For flinging through a directory with many files.
Bug: 27383277
Change-Id: Ie67efe6d5495ff3a8ed63135ed7ec2d4e6262bd2
For instrumentation test apks, it should not statically include
Java libraries that are already present in the app module being
instrumented. They only need to be on classpath during compile
time.
Bug: 26689464
Change-Id: I68d4be95e30ae70bbab23d016a87eb085c10cc50