Add support for `double` typed carrier config am: 1edea9efa6 am: b70d999b90 am: c350fc1996 am: 0077755afa am: c20f59894d

Original change: https://android-review.googlesource.com/c/platform/tools/carrier_settings/+/2075918

Change-Id: Ie6474c23f90fbd48e5f430e069f84b70b9d42d67
Signed-off-by: Automerger Merge Worker <[email protected]>