VirtualDisplay: Merge AIDL calls to stop race condition

Updating execution flow so that setting ContentRecordingSession is no longer
a second AIDL call to the DisplayManager Service, but instead passing in
the session details with the VirtualDisplayConfig, and having it be set
manually in the execution of an earlier AIDL call.

Bug: 267610691
Fix: 267610691
Test: manually built
Test: atest CtsWindowManagerDeviceTestCases:ActivityCaptureCallbackTests
Test: atest CtsWindowManagerDeviceTestCases:DisplayTests
Test: atest DisplayManagerServiceTest
Test: atest DisplayTest
Test: atest WmTests:ContentRecorderTests
Change-Id: Id926aa0800bd23d329bbc8f2a6f739e26fd72a3c