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

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

Change-Id: Iba7e6e95c799270558be3b302f59d688dd21fe7f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>