Add unit tests to verify EDITED preservation

The EDTIED column should preserve existing values when trying to insert
a conflicting APN with EDITED=UNEDITED.

Bug: 68841424
Test: TelephonyProviderTest.java
Change-Id: I7c2b3eef9279bff059ac2ea918a38ecf591bedcb
Merged-In: I7c2b3eef9279bff059ac2ea918a38ecf591bedcb
1 file changed