Added logging

app/src/main/java/eu/faircode/email/ActivityBase.java

@@ -295,6 +295,7 @@ abstract class ActivityBase extends AppCompatActivity implements SharedPreferenc
         crumb.put("name", this.getClass().getName());
         crumb.put("before", Integer.toString(before));
         crumb.put("after", Integer.toString(after));
+        crumb.put("free", Integer.toString(Log.getFreeMemMb()));
         Log.breadcrumb("onSaveInstanceState", crumb);
 
         for (String key : outState.keySet())

app/src/main/java/eu/faircode/email/FragmentBase.java

@@ -190,6 +190,7 @@ public class FragmentBase extends Fragment {
         crumb.put("name", this.getClass().getName());
         crumb.put("before", Integer.toString(before));
         crumb.put("after", Integer.toString(after));
+        crumb.put("free", Integer.toString(Log.getFreeMemMb()));
         for (String key : outState.keySet()) {
             Object value = outState.get(key);
             crumb.put(key, value == null ? "" : value.getClass().getName());