OpenJDK 11: Merging in java.lang.String (chars() and codePoints() methods)

This is part of merging upstream changes from OpenJDK 11.28. This CL
updates test expectations for 100-reflect2 test for newly added
overrides of CharSequence's chars() and codePoints() methods.

Bug: 202962059
Test: art/test/testrunner/testrunner.py --host -b -t 100-reflect2
Test: atest CtsLibcoreOjTestCases:test.java.lang.String.Chars
Change-Id: I1f508023d7d792b40a3661234254abff00ca248c
1 file changed