Add two new AppOps [1/3]

- OP_OTHER_ACCOUNTS: Access other applications accounts from account database
- OP_READ_PHONE_INFO: Read phone information (IMSI, phone nr, ...)

This commit adds both Ops to AppOpsManager and the filtering to AccountManagerService

Change-Id: I4229f65f19c6e3c81b7f13534cf9d7e12aea2509