Move suite-level dynamic config to testcases

Enable client-side dynamic config code to access the suite-level dynamic
config files by placing them in the testcases directory. Also update
cts_v2.mk to define the location of its corresponding dynamic config file.

bug:23625592
Change-Id: Id11dea4b6acbe8ea7e5e9579e369a2be5873a224
2 files changed