Add exclusive_testsets attribute to profiles

Added exclusive_testsets attribute to profiles
for each of the test sets (smoke, sanity, ha
and platform_tests). Added "smoke_platform"
exclusive testset so that smoke and platform
tests run successively.

Change-Id: Ic8fb593366d9d2bfbe5414779f6642dd4b838089
Related-Bug: #1301362
Merge "Add exclusive_testsets attribute to profiles"