Increase Job RAM
Increase Job RAM

Summary:
OpenR OSS jobs is very flaky due to out of memory issue.

Chad kindly suggested to increase memory as per

https://fb.workplace.com/groups/getdeps/permalink/1062563751009027/

Reviewed By: chadaustin, xiangxu1121

Differential Revision: D40350211

fbshipit-source-id: 9d65666fe51fd62c9c973bf00cad928137d7c9d7

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