Merge "DO NOT MERGE: Skip data saver related tests if the device doesn't support it." into nougat-mr1-cts-dev am: 4b656d1d00  -s ours am: 4ecf9aadc5 am: 24df7fc52b
am: 5b87fbabc3  -s ours

Change-Id: Ib84441f7d5d47dd4b8f5a61ae1f679e93aab7438
tree: 4c279293784500dbf16b3f954126730ce344b235
  1. tests/