Update git submodules

* Update platform/external/perfetto from branch 'master'
  to 06dab69bb9dcb7063a20820348d47cb60c9fc970
  - tools/roll-prebuilts: add mac-arm64 config
    
    Note: the actual prebuilt URLs / sha256 will be
    updated only upon the next monthly release.
    
    Bug: 218384527
    Change-Id: I7b82cff5585feb244ddef78c1803bb446daa8652