Combine MBS with Spectatio

for backward compatibility need to load
com.google.android.mobly.snippet.bundled now

Bug: 283858728
Test: use snippet_shell.py to test locally
      adb -s 5ac83ef8 install -d -r -g ~/SpectatioSnippet.apk
      python3 snippet_shell.py  com.google.android.mobly.snippet.bundled -s 5ac83ef8
      >>> s.btEnable()
      >>> s.btDiscoverAndGetResults()
      >>> s.dialANumber("xxxxx")
      >>> s.makeCall()

Change-Id: I2758c7c9258df32e3dbc770c1bbd626e946d5fdb
3 files changed