Add Manual Provisioning Support

* Add status variable in SubInfoRecord.
* Add new APIs in SubscriptionManager to activate/deactivate sub.
* Add new APIs to get and set subStatus.

Conflicts:
	telephony/java/android/telephony/SubInfoRecord.java
	telephony/java/android/telephony/SubscriptionManager.java

Change-Id: I8098c46ced297cda748946caab86a5010cc0a255