Add carrier_configs (2 of 2)

Add the cdma_3waycall_flash_delay_int carrier_configs that are being
removed with the move to CarrierConfig.

(Note that 310120, 311490 and 311870 are similar to (1 of 2), so the
new carrier_config files are not modified in this CL.)

Bug: 29873049
Change-Id: I37d5238ba263128acad5977e837010b988688bf1
1 file changed