[BetoCQ] Enable individual test selection from the command-line

Once the tests in the suite are enabled based on test parameters, the user
can additionally select which enabled tests to run from the command line
using `--tests TestClass[.test_case]`

Bug: 339444453
Test: local_mobly_runner.py betocq_test_suite --tests BetoCqFunctionGroupTest.test_bt_ble_function
Change-Id: I11cfd6e3ded1217179ab3b31f783a1b6fbfee978
1 file changed