Add exception catch when data collected is None

Raise exception when data collection returns None since it is not a full
measurement.

Test: Done
Bug: None

Change-Id: I328a235ba7c4fa61c87d681b41a840c4db5a131a
Signed-off-by: Qi Jiang <qijiang@google.com>
1 file changed
tree: 9d478739a2b72fd9cbf50d5e6c2b7f35b8ec32f5
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. PREUPLOAD.cfg