Revert "Working on #520: Introduce Olympus UI Testing: trying different .travis.yml configuration to fix emulator"
Revert "Working on #520: Introduce Olympus UI Testing: trying different .travis.yml configuration to fix emulator"

This reverts commit cb3ff7df22e94c70526cb8f66c83e36e6f31695b.

Mobicents/restcomm-android-sdk,RestComm/restcomm-android-sdk,RestComm/restcomm-android-sdk