fix css bug for paragraphs in table cells
 - only select the direct descendant for p:last-child in a td

Change-Id: I9ad63b80914fbfe4d3e74041915f67b7a08d9649
diff --git a/tools/droiddoc/templates/assets/android-developer-core.css b/tools/droiddoc/templates/assets/android-developer-core.css
index 9e9f4d3..08d74c9 100644
--- a/tools/droiddoc/templates/assets/android-developer-core.css
+++ b/tools/droiddoc/templates/assets/android-developer-core.css
@@ -177,7 +177,7 @@
   background-color:#dee8f1;
 }
 
-td p:last-child {
+td > p:last-child {
   margin:0;
 }