Merge "Implement new async response method for modem activity info" into nyc-dev am: bdaa7b3 am: d5f5d5e
am: 6881cb7

* commit '6881cb7b1cd77d034be7348f6de1faadc8ebbb31':

Change-Id: Ia73a3bcaca9ec517f4174f8bc3f219bf297ae177