change uc query retry host order (#501)

Author: YangSen-qn

library/src/androidTest/java/com/qiniu/android/http/HttpTest.java

@@ -163,8 +163,7 @@ public boolean shouldWait() {
             }
         }, 60);
 
-        assertTrue("status code:" + info.statusCode, info.statusCode == 418 || info.statusCode % 100 == 5);
-        assertEquals(418, info.statusCode);
+        assertTrue("status code:" + info.statusCode, info.statusCode == 418 || (info.statusCode / 100 == 5));
         assertNotNull(info.error);
     }
 

library/src/main/java/com/qiniu/android/common/Config.java

@@ -68,12 +68,12 @@ public final class Config {
     /**
      * preQuery host
      */
-    public static String preQueryHost00 = "uc.qbox.me";
-    public static String preQueryHost01 = "api.qiniu.com";
-    public static String preQueryHost02 = "kodo-config.qiniuapi.com";
+    public static String preQueryHost00 = "kodo-config.qiniuapi.com";
+    public static String preQueryHost01 = "uc.qbox.me";
+    public static String preQueryHost02 = "api.qiniu.com";
 
     public static String[] preQueryHosts() {
-        return new String[]{preQueryHost00, preQueryHost02, preQueryHost01};
+        return new String[]{preQueryHost00, preQueryHost01, preQueryHost02};
     }
 
     /**