Make JNI work correctly with default methods.

Also adds some tests for JNI and DefaultMethods.

Bug: 27259142
Bug: 24618811

Change-Id: I31222e3e41059d803be1dbb0f40e1144ac4bf457
diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc
index a51dd32..9ed5ec8 100644
--- a/compiler/driver/compiler_driver.cc
+++ b/compiler/driver/compiler_driver.cc
@@ -1077,10 +1077,8 @@
                              image_classes);
     }
     for (auto& m : c->GetVirtualMethods(pointer_size)) {
-      if (m.IsMiranda() || (true)) {
-        StackHandleScope<1> hs2(self);
-        MaybeAddToImageClasses(hs2.NewHandle(m.GetDeclaringClass()), image_classes);
-      }
+      StackHandleScope<1> hs2(self);
+      MaybeAddToImageClasses(hs2.NewHandle(m.GetDeclaringClass()), image_classes);
     }
     if (klass->IsArrayClass()) {
       StackHandleScope<1> hs2(self);