Switch from PACKAGE_REPLACED to MY_PACKAGE_REPLACED

As part of the Oreo 'no more implicit intents' thing

AndroidManifest.xml

@@ -563,7 +563,7 @@
 
     <receiver android:name=".ExperienceUpgradeActivity$AppUpgradeReceiver">
         <intent-filter>
-            <action android:name="android.intent.action.PACKAGE_REPLACED"/>
+            <action android:name="android.intent.action.MY_PACKAGE_REPLACED"/>
             <data android:scheme="package" />
         </intent-filter>
 

src/org/thoughtcrime/securesms/ExperienceUpgradeActivity.java

@@ -222,7 +222,7 @@ public class ExperienceUpgradeActivity extends BaseActionBarActivity {
   public static class AppUpgradeReceiver extends BroadcastReceiver {
     @Override
     public void onReceive(Context context, Intent intent) {
-      if (Intent.ACTION_PACKAGE_REPLACED.equals(intent.getAction()) &&
+      if (Intent.ACTION_MY_PACKAGE_REPLACED.equals(intent.getAction()) &&
           intent.getData().getSchemeSpecificPart().equals(context.getPackageName()))
       {
         Optional<ExperienceUpgrade> experienceUpgrade = getExperienceUpgrade(context);