Add MANAGE_SUBSCRIPTION_PLAN permission Allow DCT to get SubscriptionPlan info from NetworkPolicyManagerService Test: atest DcTrackerTest Bug: 169187737 Change-Id: I61963866fd34f28a3b15f727b5d07c38d6635a75 (cherry picked from commit f133750dccebcc0fbf8b301505ae528b5132a7b8)