Use modemmanager::kModemManager1ServiceName DBus service constant.

Use modemmanager::kModemManager1ServiceName DBus service constant.

modemmanager::kModemManager1 has been deprecated and replaced by
modemmanager::kModemManager1ServiceName.

See https://chromium-review.googlesource.com/#/c/199602/ for details.

BUG=None
TEST=Run chromeos_unittests.
TEST=Send a SMS to a 3G falco and check that a SMS notification is shown.
R=stevenjb@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=271230

[stevenjb, 2014-05-16 21:02:44]

lgtm

[Ben Chan, 2014-05-17 06:59:14]

The CQ bit was checked by benchan@chromium.org

[commit-bot: I haz the power, 2014-05-17 07:00:14]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/benchan@chromium.org/287193004/20001

[commit-bot: I haz the power, 2014-05-17 13:02:47]

FYI, CQ is re-trying this CL (attempt #1).
Please consider checking whether the failures are real,
and report flakes to chrome-troopers@google.com.
The failing builders are:
  android_dbg_triggered_tests on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/android_dbg_triggered...)
  linux_chromium_chromeos_rel on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/linux_chromium_chrome...)

[commit-bot: I haz the power, 2014-05-17 13:58:42]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-05-17 13:58:42]

Try jobs failed on following builders:
  android_dbg_triggered_tests on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/android_dbg_triggered...)

[Ben Chan, 2014-05-17 16:59:37]

Committed patchset #1 manually as r271230 (presubmit successful).