Fix ClassLinker::LinkInterfaceMethods bug

Also:
- Expanded class_linker_test with additional vtable and iftable coverage
- Added -fkeep-inline-functions where it works on host for debugging
- Added disabled test for running command line Fibonacci with oatexec

Change-Id: Ie295551e42493c7cca05684e71e56bf55bd362a4
diff --git a/build/Android.libarttest.mk b/build/Android.libarttest.mk
index baf37d9..6e1619d 100644
--- a/build/Android.libarttest.mk
+++ b/build/Android.libarttest.mk
@@ -25,10 +25,10 @@
   LOCAL_MODULE_TAGS := tests
   LOCAL_SRC_FILES := $(LIBARTTEST_COMMON_SRC_FILES)
   ifeq ($(1),target)
-    LOCAL_CFLAGS := $(ART_TARGET_CFLAGS) -UNDEBUG
+    LOCAL_CFLAGS := $(ART_TARGET_CFLAGS) $(ART_TARGET_DEBUG_CFLAGS)
     LOCAL_SHARED_LIBRARIES := libdl libstlport
   else
-    LOCAL_CFLAGS := $(ART_HOST_CFLAGS) -UNDEBUG
+    LOCAL_CFLAGS := $(ART_HOST_CFLAGS) $(ART_HOST_DEBUG_CFLAGS)
     LOCAL_LDLIBS := -ldl -lrt
   endif
   ifeq ($(1),target)