power: Fix path to non-existent vp8 file.

Commit,
  7fa5329 Remove old VP8 videos from power_Consumption.

Exposed bug for background vp8 file which had old naming convention.
This CL fixes it.

BUG=chromium:354081
TEST=inspect path matches other instances of it in test file.

Change-Id: I6b48e1d8c5c99f191a738c9574a42a2f6d0d1e1b
Reviewed-on: https://chromium-review.googlesource.com/194085
Tested-by: Todd Broch <tbroch@chromium.org>
Reviewed-by: Sameer Nanda <snanda@chromium.org>
Commit-Queue: Todd Broch <tbroch@chromium.org>
1 file changed