Revert "[API Review] APIs in SubscriptionManager"

Revert submission 10700361-api-compile

Reason for revert: Build breakage
Reverted Changes:
I06280dbb0:[API Review] APIs in SubscriptionManager
I7bb9b088f:[API Review] APIs in SubscriptionManager
Iefc047f1f:[API Review] APIs in SubscriptionManager
I02dcb21cd:[API Review] APIs in SubscriptionManager
Ibedb31825:[API Review] APIs in SubscriptionManager
I77cad8f82:[API Review] APIs in SubscriptionManager
I80a51d2b8:[API Review] APIs in SubscriptionManager

Change-Id: I327cb795c724239316a2eaf306d983c2b896a3fe