Remove tabs; fix formatting

* Responding to stadler's comments for CL20566

res/layout/debug.xml

@@ -42,11 +42,11 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/debug_enable_exchange_logging_label"
-    	/>
+    />
     <CheckBox
         android:id="@+id/exchange_file_logging"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/debug_enable_exchange_file_logging_label"
-    	/>
+    />
 </LinearLayout>	    

src/com/android/exchange/utility/FileLogger.java

@@ -1,3 +1,19 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.android.exchange.utility;
 
 import android.content.Context;
@@ -17,7 +33,7 @@ public class FileLogger {
         return LOGGER;
     }
 
-    private FileLogger () {
+    private FileLogger() {
         synchronized (mLock) {
             try {
                 mLogWriter = new FileWriter(LOG_FILE_NAME, true);
@@ -39,7 +55,7 @@ public class FileLogger {
     }
 
     @SuppressWarnings("deprecation")
-    static public synchronized void log (String prefix, String str) {
+    static public synchronized void log(String prefix, String str) {
         if (LOGGER == null) {
             LOGGER = new FileLogger();
             log("Logger", "\r\n\r\n --- New Log ---");
@@ -49,6 +65,7 @@ public class FileLogger {
         int min = d.getMinutes();
         int sec = d.getSeconds();
 
+        // I don't use DateFormat here because (in my experience), it's much slower
         StringBuffer sb = new StringBuffer(256);
         sb.append('[');
         sb.append(hr);