Fix build with no crash-report.
Fix build with no crash-report.

Bug: NONE
Test: Compile

Change-Id: Idb905038e1982babcd2ff936674986d9ff24ac8c
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3777068
Tested-by: Doug Horn <0d650fa0fe65a6b17952967ded6afed660043b5a@google.com>
Reviewed-by: Vikram Auradkar <50abc1d85bedfd527fc7dee23f4819d1f0d946ec@google.com>
Commit-Queue: Doug Horn <0d650fa0fe65a6b17952967ded6afed660043b5a@google.com>

google/crosvm,google/crosvm,google/crosvm,google/crosvm