Revert "MediaSession: Add methods for queue managements"

This reverts commit 99c1f9f453b3b589b3f8f2c32ea4f947e309c089.

Bug: 36844917, Bug: 36524925
Test: Pass MediaControllerTest
Change-Id: I39425fd5f301e7825d6eab7c01ba94be2185ad01
8 files changed