Add support for HTML Media Capture "capture" attribute.

Receive the value for the new "capture" attribute on HTML
file pickers, and do the right thing with it.

Requires changes in WebKit
(I0a921be31fda79a43c05da4fe22d9c808d92709c)

and the framework (I494adc1274ca21ce8fe52a6c7b6b758217927e66).

Bug: 5771207

Change-Id: I38dfe2df043fdba1388384dbd3b5370737eb38e5
diff --git a/src/com/android/browser/PreloadController.java b/src/com/android/browser/PreloadController.java
index 5de5be0..0efe119 100644
--- a/src/com/android/browser/PreloadController.java
+++ b/src/com/android/browser/PreloadController.java
@@ -214,7 +214,7 @@
     }
 
     @Override
-    public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType) {
+    public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String capture) {
         if (LOGD_ENABLED) Log.d(LOGTAG, "openFileChooser()");
     }