Turn screen off during some tests to conserve battery power

This CL turns off the screen at the beginning of the tests in cases
where the screen need not be on.

Test: Done
Bug: None

Change-Id: I1000547dca68791c02287e4b65e6f02b27fa9275
Signed-off-by: Omar El Ayach <oelayach@google.com>
6 files changed
tree: 764842b150a4d7b60dc321d0f1b7c6e4025ef953
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. OWNERS
  6. PREUPLOAD.cfg