am "am 9df42df2: Merge "Keyguard: Use plmn/spn broadcast when no SIMs" into lmp-mr1-dev"

merged from goog/mirror-m-wireless-internal-release
2db6e09 am 9df42df2: Merge "Keyguard: Use plmn/spn broadcast when no SIMs" into lmp-mr1-dev