disallow changing from multi-sim to single-sim for carrier apps

Bug: 125122645
Test: build
Change-Id: Ie422577e1f710b033ed85caed9a3e864aadff061
Merged-In: Ie422577e1f710b033ed85caed9a3e864aadff061
(cherry picked from commit 36ede9a2e66a83464590e8998ebdd4bc6feaf240)
1 file changed