Move Stopwatch into its own header

Bug: 29748723
Test: netd_integration_test

(cherry picked from commit cc544162e08dd0df271cd77a3f2c85dbaaa461e2)

Change-Id: I02a9ad8591d1c98f146fe2fe8c3b25a2d752ab55
6 files changed
tree: b49658074e774fbc6463109ff5543a893cce0696
  1. client/
  2. include/
  3. server/
  4. tests/
  5. Android.mk
  6. MODULE_LICENSE_APACHE2
  7. NOTICE