ActivityReplay: Check for null pointer, free resource in test.

Bug fixes: Check for a null pointer when verifying a logged gesture;
delete the interpreter we allocate in the unittest.

BUG=chromium-os:21926
TEST=unittest; tested on device

Change-Id: I7daa1b902fd910d7f5d3ae919e071803e701804a
2 files changed
tree: faec8cad17bae52adf6138ab43a70018259acc93
  1. include/
  2. src/
  3. tools/
  4. .gitignore
  5. LICENSE
  6. Makefile