iioservice: Loosen respawn limitation

As novato CQ manages to run tast tests that restart ui 10 times within
28 seconds, we need to loosen the respawn limitation once again. This CL
makes it 10 times within 22 seconds, each with 2-second delay, just to
prevent the extreme cases.

BUG=b:237340578, b:232447217
TEST=none

Change-Id: Id9f6b3c5c72859e994a8134bf8fa68d44e3723e8
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform2/+/3779826
Commit-Queue: Andre Le <leandre@chromium.org>
Reviewed-by: Andre Le <leandre@chromium.org>
Tested-by: Cheng-Hao Yang <chenghaoyang@chromium.org>
Auto-Submit: Cheng-Hao Yang <chenghaoyang@chromium.org>
(cherry picked from commit 0fe53b412186a83a12f4ce78fa178c0994092ef7)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform2/+/3787356
Commit-Queue: Cheng-Hao Yang <chenghaoyang@chromium.org>
Reviewed-by: Ryo Hashimoto <hashimoto@chromium.org>
diff --git a/iioservice/daemon/init/iioservice.conf b/iioservice/daemon/init/iioservice.conf
index d745b8b..5665896 100644
--- a/iioservice/daemon/init/iioservice.conf
+++ b/iioservice/daemon/init/iioservice.conf
@@ -10,7 +10,7 @@
 stop on stopping boot-services
 expect fork
 respawn
-respawn limit 10 30
+respawn limit 10 22
 
 # Don't respawn too aggressively so that the respawn limitation is not
 # exceeded during the tests (in CQ mostly).