Cherry pick -DATRACE_TAG=... from goog/master branch.

Test: normal build
Change-Id: I6410b9e99dab76cbfbc27041f461ba46f9abf539
diff --git a/libs/vr/libbufferhubqueue/Android.bp b/libs/vr/libbufferhubqueue/Android.bp
index a587f95..a7c33ee 100644
--- a/libs/vr/libbufferhubqueue/Android.bp
+++ b/libs/vr/libbufferhubqueue/Android.bp
@@ -47,6 +47,7 @@
     cflags: [
         "-DLOG_TAG=\"libbufferhubqueue\"",
         "-DTRACE=0",
+        "-DATRACE_TAG=ATRACE_TAG_GRAPHICS",
     ],
     srcs: sourceFiles,
     export_include_dirs: includeFiles,