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/bcc.cpp b/lib/bcc/bcc.cpp
index 11e3a95..d98c0f8 100644
--- a/lib/bcc/bcc.cpp
+++ b/lib/bcc/bcc.cpp
@@ -63,11 +63,13 @@
   return wrap(new bcc::Script());
 }
 
+
 extern "C" void bccDisposeScript(BCCScriptRef script) {
   BCC_FUNC_LOGGER();
   delete unwrap(script);
 }
 
+
 extern "C" int bccRegisterSymbolCallback(BCCScriptRef script,
                                          BCCSymbolLookupFn pFn,
                                          void *pContext) {
@@ -75,6 +77,7 @@
   return unwrap(script)->registerSymbolCallback(pFn, pContext);
 }
 
+
 extern "C" int bccGetError(BCCScriptRef script) {
   BCC_FUNC_LOGGER();
   return unwrap(script)->getError();
@@ -271,4 +274,3 @@
 #endif
   }
 }
-