debugd: Collect storage information for chrome://system

Display data from /var/log/storage_info dumped on startup
for SSD device display smartctl and hdparm result
for eMMC device display various eMMC attribute e.g. CID, CSD

BUG=chromium:315380
TEST=Tested in link, pit
Verified that in chrome://system, storage_info show meaningful result
CQ-DEPEND=CL:179156
Change-Id: Iccf98f7a45b59f6456709dbdb690005741b115e6
Reviewed-on: https://chromium-review.googlesource.com/179082
Tested-by: Puthikorn Voravootivat <puthik@chromium.org>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Commit-Queue: Puthikorn Voravootivat <puthik@chromium.org>
1 file changed
tree: f5257e3e9cc9f9f369c3d6b4f6fe146a920d5e87
  1. doc/
  2. share/
  3. src/
  4. .gitignore
  5. debugd.gyp
  6. Makefile
  7. OWNERS
  8. README