Add resource tests for configs that are the same.

Verifies that two "sw" resources with the same size will not
incorrectly identify one as better than the other.

Change-Id: Ifd9a4341cc676e54b67e40914070c435071d39b9
diff --git a/tests/Android.mk b/tests/Android.mk
index 4868654..708f051 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -28,7 +28,8 @@
 LOCAL_JNI_SHARED_LIBRARIES := libcts_jni
 
 # Resource unit tests use a private locale and some densities
-LOCAL_AAPT_FLAGS = -c xx_YY -c cs -c 320dpi -c 240dpi -c 160dpi -c 32dpi \
+LOCAL_AAPT_FLAGS = -c xx_YY -c cs -c small -c normal -c large -c xlarge \
+        -c 320dpi -c 240dpi -c 160dpi -c 32dpi \
         --preferred-configurations 320dpi --preferred-configurations 240dpi \
         --preferred-configurations 160dpi --preferred-configurations 32dpi