DO NOT MERGE: Update android support test runner

This update reverted included JUnit version from 4.12 back to 4.10
to address class incompatibility issues against the version in
platform tree under external/junit that might have been included by
test code.

Bug: 23045154
Change-Id: Ie7d3186e4e7faa448e5ba68b934ed0dfa0c30260
2 files changed