Adding missing Build Version check and @TargetApi annotation.

Intent.EXTRA_ALLOW_MULTIPLE is only available in JellyBean MR2 and
higher. So added missing check for same. To avoid warning at build
added @TargetApi annotation.

BUG=401333

Review URL: https://codereview.chromium.org/453963002

Cr-Commit-Position: refs/heads/master@{#288358}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@288358 0039d316-1c4b-4281-b951-d872f2087c98

ui/android/java/src/org/chromium/ui/base/SelectFileDialog.java

@@ -56,6 +56,7 @@ class SelectFileDialog implements WindowAndroid.IntentCallback{
      * @param multiple Whether it should be possible to select multiple files.
      * @param window The WindowAndroid that can show intents
      */
+    @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
     @CalledByNative
     private void selectFile(
             String[] fileTypes, boolean capture, boolean multiple, WindowAndroid window) {
@@ -84,7 +85,7 @@ class SelectFileDialog implements WindowAndroid.IntentCallback{
         Intent getContentIntent = new Intent(Intent.ACTION_GET_CONTENT);
         getContentIntent.addCategory(Intent.CATEGORY_OPENABLE);
 
-        if (multiple)
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2 && multiple)
             getContentIntent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 
         ArrayList<Intent> extraIntents = new ArrayList<Intent>();