Reclaim more memory, more often.

Yay.

Change-Id: I04557ad575c307a55088549f48f0e9ad994b7275
diff --git a/libs/hwui/Properties.h b/libs/hwui/Properties.h
index 47049e2..923978f 100644
--- a/libs/hwui/Properties.h
+++ b/libs/hwui/Properties.h
@@ -68,7 +68,7 @@
 #define MB(s) s * 1024 * 1024
 
 #define DEFAULT_TEXTURE_CACHE_SIZE 24.0f
-#define DEFAULT_LAYER_CACHE_SIZE 24.0f
+#define DEFAULT_LAYER_CACHE_SIZE 16.0f
 #define DEFAULT_PATH_CACHE_SIZE 4.0f
 #define DEFAULT_SHAPE_CACHE_SIZE 1.0f
 #define DEFAULT_PATCH_CACHE_SIZE 512