[MFE] Reorder mfe.json spec for future consistency (Azure#14577)

* Enabling java client (Azure#1)

* Revert "Enabling java client (Azure#1)" (Azure#2)

This reverts commit 26873d3.

* Revert "Revert "Enabling java client (Azure#1)" (Azure#2)"

This reverts commit 41d5801.

* Revert "Enabling java client (Azure#1)"

This reverts commit 7537c82.

* reorder spec

Co-authored-by: Harneet Virk <harnvir@microsoft.com>