Add support to view Open source licensing

Use wideview port and enable overview mode while
viewing open source licensing page.

Issue: FP3-A11#139
Issue: FP3-A11#233
Change-Id: I0419be64a25e4bfff08a80a7c116efaf59b80234
diff --git a/src/com/android/htmlviewer/HTMLViewerActivity.java b/src/com/android/htmlviewer/HTMLViewerActivity.java
index 9368bab..5a7546d 100644
--- a/src/com/android/htmlviewer/HTMLViewerActivity.java
+++ b/src/com/android/htmlviewer/HTMLViewerActivity.java
@@ -54,6 +54,7 @@
 
     public static final String EXTRA_MODULE = "extra.module";
     public static final String EXTRA_MODULE_REGULATORY_INFORMATION = "Regulatory information";
+    public static final String EXTRA_MODULE_OSS_LICENSES = "open_source_lisences";
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -88,6 +89,12 @@
         s.setJavaScriptEnabled(false);
         s.setDefaultTextEncodingName("utf-8");
 
+        if (EXTRA_MODULE_OSS_LICENSES.equals(extra)) {
+            s.setUseWideViewPort(true);
+            s.setLoadWithOverviewMode(true);
+            mWebView.setInitialScale(100);
+        }
+
         if (EXTRA_MODULE_REGULATORY_INFORMATION.equals(extra)) {
             s.setSupportZoom(false);
             s.setBuiltInZoomControls(false);