Fix compilation with updated googletest

Newer verisons of googletest define the macro, so check that it's not
defined first. Once googletest is uprev'ed the TODO and #define can be
removed.

BUG=b:269182434
TEST=CQ passes

Change-Id: I87be35facfa1d78896ee8987aee53110e28aeaf8
Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/hardware/interfaces/neuralnetworks/+/4322206
Reviewed-by: Jim Pollock <jmpollock@chromium.org>
Tested-by: Tom Hughes <tomhughes@chromium.org>
Commit-Queue: Tom Hughes <tomhughes@chromium.org>
2 files changed
tree: 0a19f3a7d964bb9c758c96e942eddf3ec8c127fa
  1. 1.0/
  2. 1.1/
  3. 1.2/
  4. 1.3/
  5. aidl/
  6. utils/
  7. .gitignore
  8. OWNERS
  9. README
  10. TEST_MAPPING