New rule to cool down DUT with display-off.

In order to speed up DUT to cool down, added a new rule to turn off the DUT display while waiting for DUT to cool down.

Test: atest PlatformRuleTests:android.platform.test.rule.CoolDownRuleTest &&
      atest CollectorsHelperTest:com.android.helpers.ThermalHelperTest#testGetTemperature,testGetTemperatureFailed,testParseTemperatureMock
DUT: aosp_cf_x86_64_phone, aosp_oriole-userdebug

Change-Id: I197e82fb4b336bfcc727a6fff981b65ca991747a
Bug: 187311027
6 files changed
tree: ca031807f4f3f6def1665fe3ff598ae9ace7a1c0
  1. build/
  2. docs/
  3. emu_test/
  4. libraries/
  5. scripts/
  6. tests/
  7. utils/
  8. PREUPLOAD.cfg