Revert "Disable the static libcutils tests."

Also move them to libc++ since stlport is dead.

Bug: 18389856

This reverts commit bb28776db0f5a107ef2b90ff1322f4c06b6cc7de.

Change-Id: Icdf9be3bc5cc40433727ff71a121b145002dda72
diff --git a/libcutils/tests/Android.mk b/libcutils/tests/Android.mk
index 5a54698..d532dfb 100644
--- a/libcutils/tests/Android.mk
+++ b/libcutils/tests/Android.mk
@@ -32,21 +32,19 @@
 LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
 include $(BUILD_NATIVE_TEST)
 
-# The static libcutils tests cannot be built when using libc++ because there are
-# multiple symbol definition errors between libc++ and libgcc. b/18389856
-#include $(CLEAR_VARS)
-#LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-#LOCAL_MODULE := libcutils_test_static
-#LOCAL_FORCE_STATIC_EXECUTABLE := true
-#LOCAL_SRC_FILES := $(test_src_files)
-#LOCAL_STATIC_LIBRARIES := \
-#    libc \
-#    libcutils \
-#    liblog \
-#    libutils \
+include $(CLEAR_VARS)
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
+LOCAL_MODULE := libcutils_test_static
+LOCAL_FORCE_STATIC_EXECUTABLE := true
+LOCAL_SRC_FILES := $(test_src_files)
+LOCAL_STATIC_LIBRARIES := \
+    libc \
+    libcutils \
+    liblog \
+    libutils \
 
-#LOCAL_CXX_STL := stlport_static
-#LOCAL_MULTILIB := both
-#LOCAL_MODULE_STEM_32 := $(LOCAL_MODULE)32
-#LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
-#include $(BUILD_NATIVE_TEST)
+LOCAL_CXX_STL := libc++_static
+LOCAL_MULTILIB := both
+LOCAL_MODULE_STEM_32 := $(LOCAL_MODULE)32
+LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
+include $(BUILD_NATIVE_TEST)