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

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

Change-Id: I5719d326eeb91a19cd978f46ddbc33220ae5c625
Signed-off-by: Automerger Merge Worker <[email protected]>