Enhance CTS-Verifier to detect and record whether the test item is automated.

- Detect whether is automated of each execution.
- Add isAutomated to record the detect result of each execution.

Bug: 158059049
Test: Perform tests through both manually and automatically to verify
      that the detection mechanism works as expected.
Change-Id: Ie904337b7474f968474da505fc397686b2077a00
Merged-In: Ie904337b7474f968474da505fc397686b2077a00