Un-break --perf option to the art art script.

Change-Id: I5446751982cc33f27aa6785359b3eb3ba969f93e
diff --git a/tools/art b/tools/art
index d5d546b..2408f9f 100644
--- a/tools/art
+++ b/tools/art
@@ -76,10 +76,6 @@
 LIBDIR=$(find_libdir)
 LD_LIBRARY_PATH=$ANDROID_ROOT/$LIBDIR
 
-if [ z"$PERF" != z ]; then
-  invoke_with="perf record -o $ANDROID_DATA/perf.data -e cycles:u $invoke_with"
-fi
-
 DELETE_ANDROID_DATA=false
 # If ANDROID_DATA is the system ANDROID_DATA or is not set, use our own,
 # and ensure we delete it at the end.
@@ -89,6 +85,10 @@
   DELETE_ANDROID_DATA=true
 fi
 
+if [ z"$PERF" != z ]; then
+  invoke_with="perf record -o $ANDROID_DATA/perf.data -e cycles:u $invoke_with"
+fi
+
 ANDROID_DATA=$ANDROID_DATA \
   ANDROID_ROOT=$ANDROID_ROOT \
   LD_LIBRARY_PATH=$LD_LIBRARY_PATH \