Update git submodules

* Update platform/packages/modules/NetworkStack from branch 'master'
  to c0577710ecaefc33dec4429a9fc12c830172a396
  - Merge "Revert "Revert "Generate stable version of NetworkStackStatsLog"""
  - Revert "Revert "Generate stable version of NetworkStackStatsLog""
    
    This reverts commit da5f6bb279ea7b11aafbde45299f3b9b4ff59f7d.
    
    Reason for revert: Revert of a revert. The failure which caused the original revert has been fixed in ag/13536598.
    
    Test: Run failing mainline_qt_boottime_test in Forrest:
    go/forrest-run/L37000000812186599
    
    Change-Id: I1cf189ce34905f9ab587a04f9aa198471122489f
    
1 file changed