Sysfs data is straightforward so we don't need parsing anymore.
Also removed periodical check since data is set only once during
driver initialization. Checking at every device boot or storaged
restart should be sufficient to monitor long term status change.
Test: adb logcat -d -b events | grep storaged_emmc_info
Bug: 36228467
Merged-In: I2a181f52c9f19de1e679a3a905aaebafe4d08227
Change-Id: Ic05e353f0af9363f3bcbe793ba0c351082e446ca
Add properties to control event intervals.
Add a property to check time spent in event loop.
Bug: 34612341
Bug: 34198239
Change-Id: I01f64c84e17153377ece7ae530be106e3f55287e
