followCollection
Follow a collectionId. This means that the collection is added to a special library category FakeMusicMediaBrowserServiceInfo.LIBRARY_CATEGORY_ID and library item FakeMusicMediaBrowserServiceInfo.LIBRARY_ITEM_ID.
When using FakeMusicMediaSourceController from inside the test framework, leave context to the default value to use the instrumentation context.
Return
true
when the action was successfully processed, false otherwise.