Update git submodules

* Update frameworks/support from branch 'androidx-main'
  to 257664ce280e9ec66522fc76d8b4123b8f6f4d89
  - Merge "Remove global array cache from ArraySet" into androidx-main
  - Remove global array cache from ArraySet
    
    This cache provides dubious performance value, while causing a bunch of
    separate headaches from the linked bugs.
    
    Bug: 139401479
    Bug: 182813986
    Test: ./gradlew collection:collection:test
    Change-Id: I36671e94753e6e1a8ccd5b513931614d1235202b