veyron/security/agent: Read pasphrase in agent from file with no buffering.

Still need to do the same for third_party ssh/terminal.

Change-Id: I6d1640308b325d3cece03ff2c750c9c354f1e7d4
1 file changed
tree: 465789f3f6ca9810493c692583cd6cda0c8017ff
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/