veyron/services/mgmt/device/impl: fix shell expansion of TIMESTAMP

On MacOS, the TIMESTAMP expansion used in the script helper for
logging contains spaces which results in writing empty log files to
undesired locations in the filesystem. Quote TIMESTAMP.

Change-Id: Ic094fc7b8ec3821af94d5fa7f4acd987a96d457e
4 files changed
tree: ef95636599dd7525c536aef93d8987358c08c5cb
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/