tree 27f2578024086bfc4ce438bbb5706331da32078e
parent 036d22d6a3dc881fdb756338e93eeb071ff5119e
author Rahul Kapoor <rahulkpr@google.com> 1747697257 -0700
committer Copybara-Service <copybara-worker@google.com> 1747697296 -0700

Adding implementation for subscription manager

This CL introduces the implementation of subscription manager and related classes.
It includes the following features:
- ResourceMonitor to monitor the sampling intervals for each resource.
- ActiveSubscription to manage a single subscription.
- SubscriptionManagerImpl which provide APIs to add/remove subscriptions.
- Resample function which downsample data collected by the data source.
- Unit tests to validate the implementation.

In addition to above changes, added `SubscriptionPolicy` to SubscriptionParams to allow the subscriber to specify Resource to subscribe and whether subscription should apply to all resources or specific based on the given identifiers

Tested:
 Unit Test

#tlbmc
#tlbmc-hft

PiperOrigin-RevId: 760813662
Change-Id: I78f76b4ea6dcd6cfb07ff3489cbee4be38c7d53d