libvrflinger: Move some tracing to a more verbose level.

Quiet the logs when using TRACE=1.

Bug: None
Test: Set TRACE=1; build; observe traces do not appear.
Change-Id: I521fa5cf4b0ab18e73f89a1898bf2d58fc2d1f88
diff --git a/libs/vr/libvrflinger/hardware_composer.cpp b/libs/vr/libvrflinger/hardware_composer.cpp
index 9a9054d..599017f 100644
--- a/libs/vr/libvrflinger/hardware_composer.cpp
+++ b/libs/vr/libvrflinger/hardware_composer.cpp
@@ -429,7 +429,7 @@
     ATRACE_INT("frame_skip_count", 0);
   }
 
-#if TRACE
+#if TRACE > 1
   for (size_t i = 0; i < active_layer_count_; i++) {
     ALOGI("HardwareComposer::PostLayers: layer=%zu buffer_id=%d composition=%s",
           i, layers_[i].GetBufferId(),