doc change: add announce for developer lab at mwc.

Bug: 2160782
Change-Id: I363e964f0d35eaf7b2d7593d6a3630196ed6de33
diff --git a/tools/droiddoc/templates/assets/android-developer-core.css b/tools/droiddoc/templates/assets/android-developer-core.css
index a6e765b..2d1708a 100644
--- a/tools/droiddoc/templates/assets/android-developer-core.css
+++ b/tools/droiddoc/templates/assets/android-developer-core.css
@@ -659,7 +659,7 @@
   padding: 0px 0px 0px 0px;
   float: left;
   width: 584px;
-  height: 580px;
+  height: 627px;
   position:relative;
 }
 
diff --git a/tools/droiddoc/templates/assets/images/home/Android_Dev_Lab_l.png b/tools/droiddoc/templates/assets/images/home/Android_Dev_Lab_l.png
new file mode 100644
index 0000000..3c04f24
--- /dev/null
+++ b/tools/droiddoc/templates/assets/images/home/Android_Dev_Lab_l.png
Binary files differ
diff --git a/tools/droiddoc/templates/assets/images/home/adc2_l.png b/tools/droiddoc/templates/assets/images/home/adc2_l.png
new file mode 100644
index 0000000..0b101a4
--- /dev/null
+++ b/tools/droiddoc/templates/assets/images/home/adc2_l.png
Binary files differ
diff --git a/tools/droiddoc/templates/assets/images/home/adc2_s.png b/tools/droiddoc/templates/assets/images/home/adc2_s.png
new file mode 100644
index 0000000..0d36bdb
--- /dev/null
+++ b/tools/droiddoc/templates/assets/images/home/adc2_s.png
Binary files differ