Publicly export `SysPropError` from generated sysprop code am: 9253a92427 Original change: https://android-review.googlesource.com/c/platform/system/tools/sysprop/+/3527790 Change-Id: Iced2b7ec502eaa5fb1956a9162a184044ea284b0 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>