Ignore visual studio profiler and nsight files.

Change-Id: I01cb029300760341262fb27cafc32d4366d161c0
Reviewed-on: https://chromium-review.googlesource.com/265005
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>

.gitignore

@@ -36,3 +36,6 @@ Makefile
 .gclient
 angle_internal
 TestResults.qpa
+*.psess
+*.vsp
+*.nvuser