OpenJDK 11: Merging in java.lang.String (annotate changes with markers)

This is part of merging upstream changes from OpenJDK 11.28. This CL
updates commented code in change markers from 8 to 11.

Bug: 202962059
Test: treehugger
Change-Id: Id0ad22e6c675cab007cd22b7f7a2e7b4680eba69
1 file changed