AML: Apply changes under frameworks/av to frameworks/base

This CL copies the AML-related changes under frameworks/av to
frameworks/base. This CL includes changes in following merged commits:

a003298 AML: Replace ParceledListSlice
b82512b AML: Remove use of Bundle#setDefusable
70b92a4 AML: Use config_mediaMetadataBitmapMaxSize which is @SystemApi
b4dbc2d Replace hidden Parcel.(read|write)CharSequence usages

Bug:122711373, Bug:122432476
Test: atest CtsMediaTestCases:android.media.cts.MediaSessionTest;
      atest CtsMediaTestCases:android.media.cts.MediaControllerTest;
      atest CtsMediaTestCases:android.media.cts.MediaBrowserTest;
      atest CtsMediaTestCases:android.media.cts.MediaBrowserServiceTest;
      atest CtsMediaTestCases:android.media.cts.MediaBrowserServiceTest;
Change-Id: I1a13e0ae71097caa90f677bc19b7864929dbc20f