Adding manifest, drawables, and gradle wrapper
Upping min sdk to 22.

Bug: 34841755
Change-Id: Ia833abc42ac084b64692124d424b00239a6cffd2
diff --git a/wearable/wear/WearMessagingApp/template-params.xml b/wearable/wear/WearMessagingApp/template-params.xml
index ca962ff..2f65e23 100644
--- a/wearable/wear/WearMessagingApp/template-params.xml
+++ b/wearable/wear/WearMessagingApp/template-params.xml
@@ -20,7 +20,7 @@
                             and replaced with the "categories" tags below. -->
     <package>com.example.android.wearable.wear.messaging</package>
 
-    <minSdk>21</minSdk>
+    <minSdk>22</minSdk>
     <targetSdkVersion>25</targetSdkVersion>
     <targetSdkVersionWear>25</targetSdkVersionWear>