Use the right photviewer resources

We were still using the static library from frameworks/ex.
We should use the resources from the same project

Change-Id: I6e162219bd7c14de0129cbbcee7a0048b5699b84
diff --git a/Android.mk b/Android.mk
index 6931b78..d843f1e 100644
--- a/Android.mk
+++ b/Android.mk
@@ -18,7 +18,7 @@
 chips_dir := ../../../frameworks/ex/chips/res
 
 #Include res dir from photoviewer
-photo_dir := ../../../frameworks/opt/photoviewer/res
+photo_dir := ../../../frameworks/ex/photoviewer/res
 res_dirs := $(chips_dir) $(photo_dir) res
 
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