Don't copy the apks with PRODUCT_COPY_FILES

Change-Id: I59dc12d3bf30f08e86824acb593f6aae827a779d
diff --git a/generate-blob-scripts.sh b/generate-blob-scripts.sh
index cb5443c..e469612 100755
--- a/generate-blob-scripts.sh
+++ b/generate-blob-scripts.sh
@@ -168,6 +168,7 @@
     FOUND=false
     diff $ARCHIVEDIR/$DEVICENAME-without.txt $ARCHIVEDIR/$DEVICENAME-with.txt |
       grep -v '\.odex$' |
+      grep -v '\.apk$' |
       grep '>' |
       cut -b 3- |
       while read FULLPATH