Rename bitcoin to palladium in android components

Update package names, intent filters and references from org.electrum to org.palladium

contrib/android/buildozer_qml.spec

@@ -197,7 +197,7 @@ android.add_resources = electrum/gui/qml/android_res/layout:layout
 #android.ouya.icon.filename = %(source.dir)s/data/ouya_icon.png
 
 # (str) XML file to include as an intent filters in <activity> tag
-android.manifest.intent_filters = contrib/android/bitcoin_intent.xml
+android.manifest.intent_filters = contrib/android/palladium_intent.xml
 
 # (str) launchMode to set for the main activity
 android.manifest.launch_mode = singleTask

contrib/android/palladium_intent.xml

@@ -3,6 +3,6 @@
   <action android:name="android.nfc.action.NDEF_DISCOVERED"/>
   <category android:name="android.intent.category.DEFAULT" />
   <category android:name="android.intent.category.BROWSABLE" />
-  <data android:scheme="bitcoin" />
+  <data android:scheme="palladium" />
   <data android:scheme="lightning" />
 </intent-filter>

electrum/gui/qml/java_classes/org/palladium/qr/SimpleScannerActivity.java

@@ -1,4 +1,4 @@
-package org.electrum.qr;
+package org.palladium.qr;
 
 import android.app.Activity;
 import android.os.Bundle;
@@ -27,13 +27,13 @@ import de.markusfisch.android.zxingcpp.ZxingCpp.Result;
 import de.markusfisch.android.zxingcpp.ZxingCpp.ContentType;
 
 
-import org.electrum.electrum.res.R; // package set in build.gradle
+import org.palladium.pallectrum.res.R; // package set in build.gradle
 
 public class SimpleScannerActivity extends Activity {
     private static final int MY_PERMISSIONS_CAMERA = 1002;
 
     private BarcodeScannerView mScannerView = null;
-    final String TAG = "org.electrum.qr.SimpleScannerActivity";
+    final String TAG = "org.palladium.qr.SimpleScannerActivity";
 
     private boolean mAlreadyRequestedPermissions = false;
 

electrum/gui/qml/qeqrscanner.py

@@ -49,7 +49,7 @@ class QEQRScanner(QObject):
         if 'ANDROID_DATA' not in os.environ:
             self._scan_qr_non_android()
             return
-        jSimpleScannerActivity = autoclass("org.electrum.qr.SimpleScannerActivity")
+        jSimpleScannerActivity = autoclass("org.palladium.qr.SimpleScannerActivity")
         intent = jIntent(jpythonActivity, jSimpleScannerActivity)
         intent.putExtra(jIntent.EXTRA_TEXT, jString(self._hint))