Fix null pointer exception in metric listener.

Bug: b/154847717

Test: BaseMetricListenerInstrumentedTest
Change-Id: I4baa4a4733e869cdab858bce405c76238acc3f3e
1 file changed
tree: 67959cc9cb9b19298183ab8b2fc5028c36e08c79
  1. build/
  2. docs/
  3. emu_test/
  4. libraries/
  5. scripts/
  6. tests/
  7. utils/
  8. PREUPLOAD.cfg