Balls test app.

Change-Id: I842f43e37145f8112120e2bd49925f81c588c40c
diff --git a/rsContext.cpp b/rsContext.cpp
index 3f04585..0241455 100644
--- a/rsContext.cpp
+++ b/rsContext.cpp
@@ -470,7 +470,7 @@
              rsc->timerPrint();
              rsc->timerReset();
          }
-         if (rsc->mThreadPriority > 0 && targetTime) {
+         if (targetTime > 1) {
              int32_t t = (targetTime - (int32_t)(rsc->mTimeMSLastScript + rsc->mTimeMSLastSwap)) * 1000;
              if (t > 0) {
                  usleep(t);