8080422: some docs cleanup for core libs
Summary: some docs cleanup
Reviewed-by: rriggs, lancea
T7120463.java:9:24: compiler.err.cant.resolve.location: kindname.variable, i, , , (compiler.misc.location: kindname.class, T7120463, null)
T7120463.java:9:28: compiler.err.cant.resolve.location: kindname.variable, len, , , (compiler.misc.location: kindname.class, T7120463, null)
2 errors