docs: stylesheet change for figure class

Change-Id: I1f47fc70382daf9f14e057a83375cf727fb8afa7
diff --git a/tools/droiddoc/templates/assets/android-developer-docs.css b/tools/droiddoc/templates/assets/android-developer-docs.css
index 946e2f2..a2cac7d 100644
--- a/tools/droiddoc/templates/assets/android-developer-docs.css
+++ b/tools/droiddoc/templates/assets/android-developer-docs.css
@@ -500,6 +500,8 @@
 
 hr {
   background-color:#ccc;
+  border-color:#fff;
+  margin:2em 0 1em;
 }
 
 /* DOC CLASSES */
@@ -804,6 +806,7 @@
 
 div.figure {
   float:right;
+  clear:right;
   padding:0 0 20px 20px;
   /* width must be defined w/ an inline style matching the image width */
 }