Add java.lang.ClassValue support.

Fields in class-ext.h were reordered to follow layout in java class
file. Otherwise build fails with fields offsets do match in java and C
code message.

Bug: 32299208
Test: ./art/test.py --host

Change-Id: Ib967d15ab7707f1a572e87cddad59a03b0964713
4 files changed