Atest plugin: link the test target with fast input checkboxes

Bug: 149261743
Test: 1. In atest_plugin folder: ./gradlew :runIde
      2. In atest ToolWindow -> select the Run on host checkbox:
         current test command will append " --host".
      3. Unselect the Run on host checkbox:
         current test command will delete " --host".
      4. Append " --host" in test command:
         the Run on host checkbox will be selected.
      5. Delete " --host" in test command:
         the Run on host checkbox will be unselected.
Change-Id: Icc1902d393c6c043fbcf664b67c90424f0ecdc00
2 files changed