Merge "Default initializing error_code_ to 0." into sc-dev am: edfd5f7e2d am: c566adfcac

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/keymaster/+/15120684

Change-Id: I417520cdb20dbd7f0c6d412d457b049a94f21564