add style to add nexus 4 frame to screenshots

Change-Id: I1e96cbd755c4c6f88c807160b9a86b77a5ebed74
diff --git a/tools/droiddoc/templates-sdk/assets/css/default.css b/tools/droiddoc/templates-sdk/assets/css/default.css
index f71d0a0..9ab45b3 100644
--- a/tools/droiddoc/templates-sdk/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk/assets/css/default.css
@@ -844,6 +844,18 @@
     width: 216px;
     height: 384px; }
 
+.framed-nexus4-port-216 {
+  background: transparent url(../images/styles/device_nexus4_blank_port_432.png) no-repeat
+scroll top left;
+  background-size:240px 465px;
+  padding: 52px 12px 52px 12px;
+  overflow: hidden; }
+  .framed-nexus4-port-216, .framed-nexus4-port-216 video,
+  .framed-nexus4-port-216 img {
+    width: 216px;
+    height: 360px; }
+
+
 /* landing page disclosures */
 .landing-page-link {
   text-decoration: none;
diff --git a/tools/droiddoc/templates-sdk/assets/images/styles/device_nexus4_blank_port_432.png b/tools/droiddoc/templates-sdk/assets/images/styles/device_nexus4_blank_port_432.png
new file mode 100644
index 0000000..9d41aa3
--- /dev/null
+++ b/tools/droiddoc/templates-sdk/assets/images/styles/device_nexus4_blank_port_432.png
Binary files differ