Update git submodules

* Update frameworks/support from branch 'androidx-main'
  to aba34166076461300c2af1a505aa3fc07c66bd9e
  - Merge "Allow checking if an activity is embedded" into androidx-main
  - Allow checking if an activity is embedded
    
    Adds a public API to check if an activity is being embedded
    by any process. Its presentation can be changed by the host
    and shown anywhere within its task window.
    
    Bug: 204399167
    Relnote: A public API to check if an activity is being embedded.
    Test: Manual, using demo app
    Change-Id: I39eb7a9e5c5c0be78e0acdfe71eed3c17bd483a0