Safer dismiss of Fragments

copied from solution to mjwheatley/cordova-plugin-android-fingerprint-auth#46

src/android/FingerprintAuthenticationDialogFragment.java

@@ -99,7 +99,7 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container,
             @Override
             public void onClick(View view) {
                 FingerprintAuth.onCancelled();
-                dismiss();
+                dismissAllowingStateLoss();
             }
         });
 
@@ -187,7 +187,7 @@ public void onActivityResult(int requestCode, int resultCode, Intent data) {
                 // operation. Go to error/cancellation flow.
                 FingerprintAuth.onCancelled();
             }
-            dismiss();
+            dismissAllowingStateLoss();
         }
     }
 
@@ -196,12 +196,12 @@ public void onAuthenticated() {
         // Callback from FingerprintUiHelper. Let the activity know that authentication was
         // successful.
         mFingerPrintAuth.onAuthenticated(true /* withFingerprint */);
-        dismiss();
+        dismissAllowingStateLoss();
     }
 
     @Override
     public void onError() {
-
+        dismissAllowingStateLoss();
     }
 
     @Override