Add a trace event for AwBrowserProcess.loadLibrary.

Add a system trace event for the call to AwBrowserProcess.loadLibrary so
we can easily measure how much it contributes to the WebView startup
time.

Bug: 16870075
Change-Id: Ic729726f1c3f5f2d689ba83858422c33dd4877df
1 file changed
tree: 6a3cc652c1a16a5914b4f952e39da881e5fe32af
  1. Android.mk
  2. chromium/
  3. nullwebview/