OpenJDK 11: Merging in java.lang.String (add deprecated since markers)

This is part of merging upstream changes from OpenJDK 11.28. This CL
updates @Deprecated annotations adding since value.

Bug: 202962059
Test: treehugger
Change-Id: I4e3ae17561241e0620c23cc52515e988f23f454e
1 file changed