[automerger skipped] Increase default timeout for changeStateIdletoExecute() from 100ms to 400ms am: c476ff38 -s ours am: e7b96104

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I7eb5273044a9f7238eb797e4c630813820a469e9