Add atest continuous integration test prototype

Test: python tools/asuite/atest/integration_tests/atest_ci_tests.py --artifacts-dir /tmp/aa -b
Test: python tools/asuite/atest/integration_tests/atest_ci_tests.py --artifacts-dir /tmp/aa -t
Test: atest atest_ci_tests --  --test-arg com.android.tradefed.testtype.python.PythonBinaryHostTest:python-options:--artifacts_dir --test-arg com.android.tradefed.testtype.python.PythonBinaryHostTest:python-options:/tmp/aa --test-arg com.android.tradefed.testtype.python.PythonBinaryHostTest:python-options:-t

Change-Id: I777cbe9854990f40e72e94e06b502c7664954c32
6 files changed