For b/3381327: Save 159+ms for every launch of Books, YouTube, Movie Studio...

Before this CL, you will see in the logcat:
  698 StopWatch D StopWatch calcFileSHA1 time (us): 159162
  698 bcc I File opened. fd=45
  698 bcc I File closed. fd=45
  698 StopWatch D StopWatch calcFileSHA1 time (us): 19282
  ...
This CL also cleans up bcc's logcat.

Change-Id: I4e23b459eee0dc77ef186fb761a64d731a721517
diff --git a/lib/bcc/Script.cpp b/lib/bcc/Script.cpp
index 23e8f41..cb86ef5 100644
--- a/lib/bcc/Script.cpp
+++ b/lib/bcc/Script.cpp
@@ -240,7 +240,7 @@
       return 1;
     }
 
-    LOGE("Load Library\n");
+    LOGI("Load Library\n");
   }
 
   // Compile and JIT the code