pt 1 in reviving the android build (copied from pm 28a1, wish me luck)

mobile/android/tests/browser/robocop/testJavascriptBridge.js

@@ -0,0 +1,52 @@
+var java = new JavaBridge(this);
+var javaResponded = false;
+
+do_register_cleanup(() => {
+  java.disconnect();
+});
+do_test_pending();
+
+function check_js_int_arg(int1) {
+  // Sync call from Java
+  do_check_eq(int1, 1);
+  java.asyncCall("checkJavaIntArg", 2);
+}
+
+function check_js_double_arg(double3) {
+  // Sync call from Java
+  do_check_eq(double3, 3.0);
+  java.asyncCall("checkJavaDoubleArg", 4.0);
+}
+
+function check_js_boolean_arg(boolfalse) {
+  // Sync call from Java
+  do_check_eq(boolfalse, false);
+  java.asyncCall("checkJavaBooleanArg", true);
+}
+
+function check_js_string_arg(stringfoo) {
+  do_check_eq(stringfoo, "foo");
+  java.asyncCall("checkJavaStringArg", "bar");
+}
+
+function check_js_object_arg(obj) {
+  // Sync call from Java
+  do_check_eq(obj.caller, "java");
+  java.asyncCall("checkJavaObjectArg", {caller: "js"});
+}
+
+function check_js_sync_call() {
+  // Sync call from Java
+  java.syncCall("doJSSyncCall");
+  // respond_to_js_sync_call should have run by now because
+  // do_js_sync_call calls it from Java code
+  do_check_true(javaResponded);
+
+  java.asyncCall("checkJSSyncCallReceived");
+  // End of test
+  do_test_finished();
+}
+
+function respond_to_js_sync_call() {
+  javaResponded = true;
+}