Merge remote-tracking branch 'aosp/upstream-master' into aosp/master.

The following change is reverted because aosp has newer libchrome.
71818c84 Partially Revert 2b9d2417

Added stub override for ReportInternalErrorCode().
Fixed RunPosinstallAction typo.

Bug: 112326236
Test: update_engine_unittests
Change-Id: Ieaae0eef425cbb1278067a48aa19b14ed056317a