Update submodule sitl_gazebo to latest Sat Nov 23 00:38:19 UTC 2019
Update submodule sitl_gazebo to latest Sat Nov 23 00:38:19 UTC 2019

    - sitl_gazebo in PX4/Firmware (3f92bc26cefb0d59dfc028b0cfd20bff711a0861): https://github.com/PX4/sitl_gazebo/commit/ec3a32a60441f5238fe91a46ddc2696799450d84
    - sitl_gazebo current upstream: https://github.com/PX4/sitl_gazebo/commit/2637a94816f5e3cbb9d4a10f831985b2685fc880
    - Changes: https://github.com/PX4/sitl_gazebo/compare/ec3a32a60441f5238fe91a46ddc2696799450d84...2637a94816f5e3cbb9d4a10f831985b2685fc880

    2637a94 2019-11-18 JaeyoungLim - Address comments
94d479c 2019-11-15 Jaeyoung-Lim - Handle camera zoom mavlink message

acfloria/Firmware,acfloria/Firmware,acfloria/Firmware,acfloria/Firmware,krbeverx/Firmware,acfloria/Firmware,PX4/Firmware,PX4/Firmware,PX4/Firmware,acfloria/Firmware,PX4/Firmware,PX4/Firmware,acfloria/Firmware,krbeverx/Firmware,krbeverx/Firmware,krbeverx/Firmware,PX4/Firmware,krbeverx/Firmware,krbeverx/Firmware,krbeverx/Firmware,PX4/Firmware