Cherry pick "-DTRACE=0" from goog/master branch.

Test: normal build.
Change-Id: I73c1491779a3c6b4408c5e2eab1591319244e9fd
diff --git a/libs/vr/libdvr/Android.bp b/libs/vr/libdvr/Android.bp
index fa78b1c..7a7c8aa 100644
--- a/libs/vr/libdvr/Android.bp
+++ b/libs/vr/libdvr/Android.bp
@@ -21,6 +21,7 @@
 
 cflags = [
     "-DLOG_TAG=\"libdvr\"",
+    "-DTRACE=0",
 ]
 
 srcs = [