Put timer_dos test behind console command
Put timer_dos test behind console command

BUG=chrome-os-partner:18598
TEST=Run on Spring
BRANCH=None

Change-Id: I843591089c3d1bc739c452ee654da194355ddb09
Signed-off-by: Vic Yang <5fd92abeee651458f98e2856f4f200ee971cee4d@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/48092
Reviewed-by: Randall Spangler <62698fdbb84d1779579ee80c3f39fac22017e5bc@chromium.org>

longsleep/ec,akappy7/ChromeOS_EC_LED_Diagnostics,longsleep/ec,coreboot/chrome-ec,mtk09422/chromiumos-platform-ec,fourier49/BZ_DEV_EC,mtk09422/chromiumos-platform-ec,md5555/ec,akappy7/ChromeOS_EC_LED_Diagnostics,coreboot/chrome-ec,alterapraxisptyltd/chromium-ec,fourier49/BIZ_EC,eatbyte/chromium-ec,eatbyte/chromium-ec,md5555/ec,thehobn/ec,coreboot/chrome-ec,alterapraxisptyltd/chromium-ec,fourier49/BZ_DEV_EC,gelraen/cros-ec,alterapraxisptyltd/chromium-ec,gelraen/cros-ec,thehobn/ec,longsleep/ec,fourier49/BIZ_EC,gelraen/cros-ec,akappy7/ChromeOS_EC_LED_Diagnostics,mtk09422/chromiumos-platform-ec,longsleep/ec,mtk09422/chromiumos-platform-ec,eatbyte/chromium-ec,gelraen/cros-ec,fourier49/BZ_DEV_EC,coreboot/chrome-ec,fourier49/BZ_DEV_EC,akappy7/ChromeOS_EC_LED_Diagnostics,thehobn/ec,md5555/ec,alterapraxisptyltd/chromium-ec,thehobn/ec,fourier49/BIZ_EC,fourier49/BIZ_EC,eatbyte/chromium-ec,md5555/ec,coreboot/chrome-ec,coreboot/chrome-ec,akappy7/ChromeOS_EC_LED_Diagnostics