Which of the following statements are correct with respect to the capabilities provided by Android's LocalBroadcastManager?
A. It performs optimizations for intra-app communication by ensuring intents don't cross process boundaries
B. It enhances app security by ensuring intents can't be sent or received by components in other apps
C. It allows broadcast receivers to run in the background performing long-running operations and/or accessing remote resources
D. It uses the Activity Manager Service to efficiently route intents to zero or more components
