[automerger skipped] Increase default timeout for changeStateIdletoExecute() from 100ms to 400ms am: c476ff3857 -s ours am: fd44461bd5 am: b19ec800c0 am: 5a01e2bac8

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1508957

Change-Id: Ia41d1c798ae65a20a1ea1127a210c9e3bbfc2d4e