Merge tag 'android-16.0.0_r4' into staging/lineage-23.2_merge-android-16.0.0_r4

Android 16.0.0 release 4

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* tag 'android-16.0.0_r4': (213 commits)
  snapuserd: remove redundant buffer lock in MergeWorker
  Add fio verification script
  Fix recovery sideload failing if stale snapshots are present.
  ashmem: Only attempt to open ashmem device when necessary
  trusty/test/binder: Add test for handover
  libexpresslog: Annotated API as deprecated
  update fastboot owners file
  ueventd: clean up permission wildcard matching code
  Revert "Revert "fastboot: Fix failure when flashing large sparse..."
  Revert "Revert "libsparse: Propagate errors when writing skip ch..."
  Revert^2 "fastboot: Remove global IFastBootDriver."
  Revert^2 "fastboot: Use IFastBootDriver for global |fb|."
  Revert^2 "fastboot: Fix issues flashing unaligned files."
  Revert "Revert "fastboot: Delay resparsing until flash_buf() is ..."
  Update ro.boottime.init units for statsd
  [owners] Remove rprichard@google.com from rootdir/etc/OWNERS
  libsnapshot: Add discard support for COW devices
  snapuserd: fix race condition during merge-resume
  Revert "libtrusty: Remove status byte workaround in TIPC vsock c..."
  Clarify the role of the DATA response in fastboot
  ...

Change-Id: I2a3e8b655cd1bdbb1dc60cf6d384bb73e41f8b99