Update git submodules

* Update platform/external/perfetto from branch 'master'
  to bce4286eebf41c7e7f6689684dea989c0b010fe1
  - trace_processor: support ufshcd_command count
    
    1.Shows the UI of ufs command count on global counter.
    2.Add ufshcd_clk_gating format
    
    Bug: 205354534
    Test: tools/diff_test_trace_processor.py
    out/android/trace_processor_shell --query-metric-filter='ufshcd_command'
    
    Signed-off-by: YH Lin <yhli@google.com>
    Change-Id: Ie785e78f8f0ea125e0c5acf17169afd58a359563