[RW-2194] [risk=no] Try reducing the Java memory limit for CircleCI. (#1823)
[RW-2194] [risk=no] Try reducing the Java memory limit for CircleCI. (#1823)

* Try reducing the Java memory limit for CircleCI.

* Switch all 3g to 2g.

* Revert task rename.

all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench