Setup alternate domain front.

In preparation for Google shutting down domain fronting.

Closes #7584

src/org/thoughtcrime/securesms/push/DomainFrontingTrustStore.java

@@ -0,0 +1,29 @@
+package org.thoughtcrime.securesms.push;
+
+
+import android.content.Context;
+
+import org.thoughtcrime.securesms.R;
+import org.whispersystems.signalservice.api.push.TrustStore;
+
+import java.io.InputStream;
+
+public class DomainFrontingTrustStore implements TrustStore {
+
+  private final Context context;
+
+  public DomainFrontingTrustStore(Context context) {
+    this.context = context.getApplicationContext();
+  }
+
+  @Override
+  public InputStream getKeyStoreInputStream() {
+    return context.getResources().openRawResource(R.raw.censorship_fronting);
+  }
+
+  @Override
+  public String getKeyStorePassword() {
+    return "whisper";
+  }
+
+}