Introduce the config to disable LAUNCH_BROWSER

LAUNCH BROWSER STK command may need to be disabled
if carrier would not want the default behavior.
So introduce a carrierconfig key for the same.

Test: Swapped the sprint sim cards and verified
that browser launch do not happen

Merged-in:Icf6d206af60b0c84dcacbd6bd3326140f5a0f21a
BUG=31257758

Change-Id: Icf6d206af60b0c84dcacbd6bd3326140f5a0f21a
1 file changed