Restore SampleApp picture drawing

(deleted unintentionally in https://skia-review.googlesource.com/c/15185/)

Change-Id: I36111db7012ea7f72a5990b61bb4713d9250da34
Reviewed-on: https://skia-review.googlesource.com/18128
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
diff --git a/samplecode/SamplePictFile.cpp b/samplecode/SamplePictFile.cpp
index efaac71..0c08fd7 100644
--- a/samplecode/SamplePictFile.cpp
+++ b/samplecode/SamplePictFile.cpp
@@ -118,6 +118,10 @@
             *picture = LoadPicture(fFilename.c_str(), fBBox).release();
         }
 
+        if (*picture) {
+            canvas->drawPicture(*picture);
+        }
+
 #ifdef SK_GLYPHCACHE_TRACK_HASH_STATS
         SkGlyphCache::Dump();
         SkDebugf("\n");