Inline the use of Objects.hash into `ScopeName.hashCode` to reduce GC trash.
Inline the use of Objects.hash into `ScopeName.hashCode` to reduce GC trash.

This method accounts for ~5% of stage2 trash and 0.5% of stage1

PiperOrigin-RevId: 468032880

google/closure-compiler,ChadKillingsworth/closure-compiler,monetate/closure-compiler,ChadKillingsworth/closure-compiler,monetate/closure-compiler,google/closure-compiler,monetate/closure-compiler,monetate/closure-compiler,ChadKillingsworth/closure-compiler,ChadKillingsworth/closure-compiler,google/closure-compiler,google/closure-compiler