Merge "Adds ALLOWED_NETWORK_TYPES_REASON_ENABLE_2G to PhoneInterfaceManager." am: 8a606f2c32 am: 9cb8da0077

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1642000

Change-Id: Ib97e7b428b8031b463a55d6ee139ce9ac48af6fb