[VL] upstream OAP/Velox commits to upstream

oap-velox commit | upstream PR(s) | progress | comments
-- | -- | -- | --
Support struct column reading with different schemas | facebookincubator/velox#5962 | PR under review |  
Spark sql avg agg function support decimal | ~https://github.com/facebookincubator/velox/pull/15244~ | Under review | merged on 11/20 |
Register merge extract companion agg functions without suffix | N/A | Removed |
feat: Support scan filter for ORC decimal reader | ~https://github.com/facebookincubator/velox/pull/11067~ | Need another PR to fix the incompatible footer | merged on 11/24
Fix smj result mismatch issue | facebookincubator/velox#11771; ~facebookincubator/velox#11772~ | Waiting for review |  
fix: Add config for requested type check in ReaderBase::convertType | ~https://github.com/facebookincubator/velox/pull/13620~ | https://github.com/facebookincubator/velox/commit/054cf93b9f4fb87b13c0f8c99c20ae80a61acfe4 is merged. https://github.com/facebookincubator/velox/pull/15173, https://github.com/facebookincubator/velox/pull/15343 |
feat: Build hash table while adding input rows for left semi and anti join | https://github.com/facebookincubator/velox/pull/7066 | pending review |