Fix indentation in RxJava sample

Author: mattcreaser

src/fragments/lib/auth/native_common/signin_next_steps/common.mdx

@@ -114,19 +114,20 @@ try {
 
 ```java
 RxAmplify.Auth.confirmSignIn(
-                "TOTP confirmation code").subscribe(
-                result -> {
-                    if (result.isSignedIn()) {
-                        Log.i("AuthQuickstart", "Confirm signIn succeeded");
-                    } else {
-                        Log.i("AuthQuickstart", "Confirm sign in not complete. There might be additional steps: " + result.getNextStep());
-                        // Switch on the next step to take appropriate actions.
-                        // If `signInResult.isSignedIn` is true, the next step
-                        // is 'done', and the user is now signed in.
-                    }
-                },
-                error -> Log.e("AuthQuickstart", "Confirm sign in failed: " + error)
-        );
+    "TOTP confirmation code"
+).subscribe(
+    result -> {
+        if (result.isSignedIn()) {
+            Log.i("AuthQuickstart", "Confirm signIn succeeded");
+        } else {
+            Log.i("AuthQuickstart", "Confirm sign in not complete. There might be additional steps: " + result.getNextStep());
+            // Switch on the next step to take appropriate actions.
+            // If `signInResult.isSignedIn` is true, the next step
+            // is 'done', and the user is now signed in.
+        }
+    },
+    error -> Log.e("AuthQuickstart", "Confirm sign in failed: " + error)
+);
 ```
 </Block>
 </BlockSwitcher>