ART: Add mirror classes for VarHandles

Adds mirror classes for VarHandle, FieldVarHandle,
ArrayElementVarHandle, ByteArrayViewVarHandle and
ByteBufferViewVarHandle.

Bug: 65872996
Test: art/test.py --host -g -j32
Change-Id: I34e4b53c21cd969b54003dcfa3527acb963bfec7
diff --git a/runtime/class_linker.h b/runtime/class_linker.h
index eba2022..2d9ec5a 100644
--- a/runtime/class_linker.h
+++ b/runtime/class_linker.h
@@ -120,6 +120,11 @@
     kJavaLangInvokeMethodHandleImpl,
     kJavaLangInvokeMethodHandlesLookup,
     kJavaLangInvokeMethodType,
+    kJavaLangInvokeVarHandle,
+    kJavaLangInvokeFieldVarHandle,
+    kJavaLangInvokeArrayElementVarHandle,
+    kJavaLangInvokeByteArrayViewVarHandle,
+    kJavaLangInvokeByteBufferViewVarHandle,
     kJavaLangClassLoader,
     kJavaLangThrowable,
     kJavaLangClassNotFoundException,