Merge 6c4e435b8d91 ("selftests: timers: clocksource-switch: fix passing errors from child") into android-mainline

Steps on the way to 4.14.291

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I31ea2df5a3e71cdea88773be2a2aa67103399d4a