[telemetry] Move contents of tools/telemetry_tools to tools/telemetry/util/

- Remove bootstrap code from run_measurement.
- Move all bootstrap_deps files to the top-level directory of their packages, where they should be!
- Indent bootstrap_deps according to the Google Python style guide.


BUG=None.
TEST=tools/perf/run_measurement --print-bootstrap-deps-cros  # Output doesn't change with this patch

Review URL: https://codereview.chromium.org/180303005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253795 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253795
[OSX, rAC] Hover-on-bubble keeps tooltip alive.

Do not dismiss the tooltip when the mouse hovers on the tooltip bubble
instead of the tooltip icon. Only when mouse is over neither of them,
the bubble can be dismissed.

BUG=325524
TEST=Invoke rAC dialog, hover on a tooltip icon, move to bubble, bubble stays.

Review URL: https://codereview.chromium.org/182223002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253796 0039d316-1c4b-4281-b951-d872f2087c98
Changed verification_key_hash to verification_key_id in NAC header

BUG=347070

Review URL: https://codereview.chromium.org/181643003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253797 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253797
Exclude unused strings for chrome://ntp on Android

BUG=326023

Review URL: https://codereview.chromium.org/174453002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253798 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253798