docs: change SearchableDictionary to "v2" and remove old "new" superscripts from resources toc

Change-Id: Ic240502b8874fdc69d1d97cbf9df0ef925fbc071
diff --git a/Android.mk b/Android.mk
index 52136dd..68964bb 100644
--- a/Android.mk
+++ b/Android.mk
@@ -406,7 +406,7 @@
                 -samplecode $(sample_dir)/SampleSyncAdapter \
                             resources/samples/SampleSyncAdapter "Sample Sync Adapter" \
 		-samplecode $(sample_dir)/SearchableDictionary \
-		            resources/samples/SearchableDictionary "Searchable Dictionary" \
+		            resources/samples/SearchableDictionary "Searchable Dictionary v2" \
 		-samplecode $(sample_dir)/Snake \
 		            resources/samples/Snake "Snake" \
 		-samplecode $(sample_dir)/SoftKeyboard \