Change benchmark names

We are still bootstrapping R8 I guess, but I am also happy to change this in the golem config instead

R=zerny

Change-Id: I9e16dd2166a64a0c777002f559e43f278c30bf14
diff --git a/tools/run_bootstrap_benchmark.py b/tools/run_bootstrap_benchmark.py
index 8230c71..bfc62e6 100755
--- a/tools/run_bootstrap_benchmark.py
+++ b/tools/run_bootstrap_benchmark.py
@@ -49,7 +49,7 @@
     print "BootstrapR8Dex(CodeSize):", os.path.getsize(d8_r8_output)
 
     dex(PINNED_PGR8_JAR, d8_pg_output)
-    print "BootstrapPG(CodeSize):", os.path.getsize(PINNED_PGR8_JAR)
-    print "BootstrapPGDex(CodeSize):", os.path.getsize(d8_pg_output)
+    print "BootstrapR8PG(CodeSize):", os.path.getsize(PINNED_PGR8_JAR)
+    print "BootstrapR8PGDex(CodeSize):", os.path.getsize(d8_pg_output)
 
-  sys.exit(0)
\ No newline at end of file
+  sys.exit(0)