Disable Advertising ID collection

I don't care about collecting this data, all I care about is anonymized
data collection about the number of users + screens used.

android/app/src/main/AndroidManifest.xml

@@ -47,5 +47,7 @@
                 <!-- Triggering URI would be gitjournal://login.oauth2 -->
             </intent-filter>
         </activity>
+
+        <meta-data android:name="google_analytics_adid_collection_enabled" android:value="false" />
     </application>
 </manifest>