Verify j.l.invoke.Mutable/VolatileCallSite against OpenJDK 8u121-b13

Changes were non-functional and simply made change markers consistent.

Bug: 74379469
Test: make checkbuild, flash and start up device
Change-Id: I963dfe4eb314275cd118700bc540c3f15557f868
ge-Id: Ieaa3f1466498e9e2a258049f55c32f7bfa1905eb