Merge "Default initializing error_code_ to 0." into sc-dev am: edfd5f7e2d am: 3a299a2e03 am: e3ad6855e2

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

Change-Id: I8ed29303b6c68ab160fd0475bae43af25a5bd25a