Revert "[Cronet] Disable one of setURLStreamHandlerFactory test"

Revert submission 2980591-cronet_121_0_6167_71

Reason for revert: Seems to be the cause for b/328855816

Reverted changes: /q/submissionid:2980591-cronet_121_0_6167_71

Change-Id: Ia47515958eec58b851cfbb8e74e0e9ab58679323
1 file changed