Lame initial impl of viewing a conversation.

Change-Id: Idb6c4ca8cc41f470f9867f9aff81c460d5b34051
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 126e7c4..64510ef 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -34,6 +34,7 @@
         </activity>
         <activity android:name=".compose.ComposeActivity" />
         <activity android:name=".browse.ConversationListActivity" />
+        <activity android:name=".browse.ConversationViewActivity" />
         <activity android:name=".browse.FolderItem" />
         <activity android:name=".EmailActivity" />
         <activity