Enable VP9 KSVC perf tests.
Enable VP9 KSVC perf tests.

The tests crashed and were disabled temporarily. The crash was probably
caused by chromium:879307 which was fixed recently.

Bug: webrtc:9506
Change-Id: I08872c0370c9cf5dc4769daf68b7c61135a55c9e
Reviewed-on: https://webrtc-review.googlesource.com/99080
Reviewed-by: Erik Språng <3ab8c90c99d6dd7822e0fad803ab0211dd287ae5@webrtc.org>
Commit-Queue: Sergey Silkin <fc631354f276613a5410ea259cf4618b2846d39b@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#24638}
ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc