fstab files: update to mount cache with noatime option

as it is reported by cts test:
android.os.cts.EnvironmentTest.testNoAtime junit.framework.AssertionFailedError: Found device mounted at /dev/block/platform/soc/f723d000.dwmmc0/by-name/cache without 'noatime' option, which can cause unnecessary flash churn; please update your fstab.

Test: manually with cts android.os.cts.EnvironmentTest#testNoAtime test

Change-Id: Id9f6c7a5cbb74888805047c7da172c1db10f737d
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
3 files changed