Temporary enable full payload when decrypting files

This is needed to properly show the decrypted status and data

See #351

app/src/main/java/com/emanuelef/remote_capture/activities/MainActivity.java

@@ -736,6 +736,11 @@ private void doStartCaptureService(String input_pcap_path) {
 
         CaptureSettings settings = new CaptureSettings(this, mPrefs);
         settings.input_pcap_path = input_pcap_path;
+
+        // to properly show decrypted PCAP files, full payload must be enabled
+        if (PCAPdroid.getInstance().isDecryptingPcap())
+            settings.full_payload = true;
+
         mCapHelper.startCapture(settings);
     }