Doc change: Add Google Play balance back into monetizing docs.

Change-Id: I4326cbd7b93f0429b34f56f7ad67d910bcb0c6e1

Author: ddougherty

docs/html/distribute/googleplay/about/monetizing.jd

@@ -41,8 +41,8 @@ manages the application download.</p>
 
 <h3 id="payment-methods">Convenient payment options</h3>
 
-<p>Users can purchase your products on Google Play using convenient
-payment methods&mdash;credit cards and Direct Carrier Billing.</p>
+<p>Users can purchase your products on Google Play using several convenient
+payment methods&mdash;credit cards, Direct Carrier Billing, and Google Play balance..</p>
 
 <p><span style="font-weight:500">Credit card</span> is the most common method of payment. Users can pay using any credit card
 that they’ve registered in Google Play. To make it easy for users to get started,
@@ -54,6 +54,7 @@ registration is offered as a part of initial device setup process.</p>
 <ul>
 <li>Credit Card</li>
 <li>Direct Carrier Billing</li>
+<li>Google Play balance (stored value)</li>
 </ul>
 </div>
 </div>
@@ -66,6 +67,11 @@ million users in key markets around the world can purchase
 your products through Direct Carrier Billing. Many more will get the option in
 the months ahead.</p>
 
+<p><span style="font-weight:500">Google Play balance</span> is a stored account
+balance in Google Play. Users can increase their balance through promotions and
+offers in the store, and they can use their balanace to make purchases of apps,
+games, or other content. 
+
 <p>The payment methods available to users worldwide may vary, based on
 location, carrier network, and other factors.</p>