Add missing resolveResValue call. [DO NOT MERGE]

Bug: http://b.android.com/178504
Change-Id: I7dde8094cf762893e4f7ea0d3de87a281c9602cd
(cherry picked from commit 5d1eaf4a19)

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java

@@ -708,7 +708,7 @@ public final class BridgeContext extends Context {
                 if (item != null) {
                     // item is a reference to a style entry. Search for it.
                     item = mRenderResources.findResValue(item.getValue(), item.isFramework());
-
+                    item = mRenderResources.resolveResValue(item);
                     if (item instanceof StyleResourceValue) {
                         defStyleValues = (StyleResourceValue) item;
                     }