Update git submodules

* Update frameworks/support from branch 'androidx-master-dev'
  to 745f87a6e056e3a4933ce140a95d72ade1179dd6
  - Merge "Annotate and enforce main thread access to ScreenManager APIs." into androidx-master-dev
  - Annotate and enforce main thread access to ScreenManager APIs.
    
    Relnote: N/A
    Bug: 173625716
    Test: ./gradlew :car:app:app:connectedDebugAndroidTest
    Change-Id: I4b5df87a305259564fdb7795390c13f657e05b2d
    
1 file changed