Automated g4 rollback of changelist 193101337.
Automated g4 rollback of changelist 193101337.

*** Reason for rollback ***

Breaks trix (see ContinuousBuildFailure finding)

*** Original change description ***

Turn on strictMissingRequire for j2cl

***

PiperOrigin-RevId: 193119743

google/j2cl,google/j2cl,google/j2cl,google/j2cl,google/j2cl