Do not test ifunc on mips

This commit fixes mips build

Bug: http://b/28009632
Change-Id: I5c657b31947791aea4cc02a2fc4ede6d0ecde851
diff --git a/tests/libs/Android.mk b/tests/libs/Android.mk
index a903732..82bfc05 100644
--- a/tests/libs/Android.mk
+++ b/tests/libs/Android.mk
@@ -348,12 +348,19 @@
 
 # TODO(dimitry): clang does not support ifunc attribute
 libtest_ifunc_clang_host := false
-libtest_ifunc_clang_target := false
 
 module := libtest_ifunc
 build_target := SHARED_LIBRARY
 
-include $(LOCAL_PATH)/Android.build.testlib.mk
+build_type := host
+include $(TEST_PATH)/Android.build.mk
+
+ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),arm arm64 x86 x86_64))
+    build_type := target
+    libtest_ifunc_clang_target := false
+    include $(TEST_PATH)/Android.build.mk
+endif
+
 
 # -----------------------------------------------------------------------------
 # Library used by atexit tests