Fix a bunch of Java Checkstyle issues.

base/android/java/src/org/chromium/base/ThreadUtils.java

Index: base/android/java/src/org/chromium/base/ThreadUtils.java
diff --git a/base/android/java/src/org/chromium/base/ThreadUtils.java b/base/android/java/src/org/chromium/base/ThreadUtils.java
index 8813a6cc2cd70653f782ef9b644e0e8805792227..2a8deebfbd5eaeb7c500698178d93f83437c9d14 100644
--- a/base/android/java/src/org/chromium/base/ThreadUtils.java
+++ b/base/android/java/src/org/chromium/base/ThreadUtils.java
@@ -32,9 +32,9 @@ public class ThreadUtils {
     public static void setUiThread(Looper looper) {
         synchronized (sLock) {
             if (sUiThreadHandler != null && sUiThreadHandler.getLooper() != looper) {
-                throw new RuntimeException("UI thread looper is already set to " +
-                        sUiThreadHandler.getLooper() + " (Main thread looper is " +
-                        Looper.getMainLooper() + "), cannot set to new looper " + looper);
+                throw new RuntimeException("UI thread looper is already set to "
+                        + sUiThreadHandler.getLooper() + " (Main thread looper is "
+                        + Looper.getMainLooper() + "), cannot set to new looper " + looper);
             } else {
                 sUiThreadHandler = new Handler(looper);
             }