phosphor-networkd: srcrev bump 781f3355bf..a973340f37

Patrick Venture (3):
      test: use real manager object for testing
      test: use expect_throw to catch expected exceptions
      test: use system-first search for dbus interfaces

(From meta-phosphor rev: 3cef728c1650c700f00123389fddb10e86111e6d)

Change-Id: I41c00690c5318535e547d80a6a59c428c23b7e4e
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-phosphor/classes/phosphor-networkd-rev.bbclass b/meta-phosphor/classes/phosphor-networkd-rev.bbclass
index d306e51..e1587bf 100644
--- a/meta-phosphor/classes/phosphor-networkd-rev.bbclass
+++ b/meta-phosphor/classes/phosphor-networkd-rev.bbclass
@@ -1,2 +1,2 @@
 SRC_URI += "git://github.com/openbmc/phosphor-networkd"
-SRCREV = "781f3355bf1c0ba20748500385cce10d9629d0a9"
+SRCREV = "a973340f372608960aa1d91789232d6c998bf500"