changes to avoid accidental worker state update during worker recovery (#417)

remove unwanted log message

instead of flow based control added valid transition map to control state updates

update test code based on state transition map

added missing transtion from finish state to scheduled state

remove restart worker logic as it will taken care worker monitor

move process reaping login go from C

fixing race condition related to worker recovery issue

removed unwanted changes related to induced delays during execution

fixin functional test comparision

Revert "first version of changes to avoid accidental worker state update during worker recovery" (#410)

* Revert "fixin functional test comparision"

This reverts commit 44bebff.

* Revert "removed unwanted changes related to induced delays during execution"

This reverts commit c00b147.

* Revert "fixing race condition related to worker recovery issue"

This reverts commit 02c1500.

* Revert "move process reaping login go from C"

This reverts commit 8db5c70.

* Revert "remove restart worker logic as it will taken care worker monitor"

This reverts commit 957b0de.

* Revert "added missing transtion from finish state to scheduled state"

This reverts commit eeb2943.

* Revert "update test code based on state transition map"

This reverts commit cd92e68.

* Revert "instead of flow based control added valid transition map to control state updates"

This reverts commit 24e2039.

* Revert "remove unwanted log message"

This reverts commit 363564d.

* Revert "first version of changes to avoid accidental worker state update during worker recovery"

This reverts commit 8739920.

Non graceful worker recovery issues and workflow issue (#411)

* changes for adding atomic checks while sending and relading data during worker recovery

* fixing the workflow issues

Co-authored-by: Rajesh Samala <rasamala@paypal.com>

Author: venkatsridhar95