Revert "Update DriverCall.java"

This reverts commit 92385741c5436723598fd57a859572a7f49de70c.
Revert "Patch: Set CALL_TYPE_UNKNOWN to 0"

This reverts commit acd68962b12c206fe580ff3a9e81dcb616a2ad3b.
Revert "Patch: Dual sim incoming calls"

This reverts commit 7ca25eff96d87c08d4b8e722ba87f7b7a6cfea16.