crash: Point to canonical org.chromium.SessionManagerInterface.xml

The session_manager already had a fully-specified .xml file
describing its DBus API, so toss the one created for use
by crash-reporter.gyp, and point the build to the canonical one.

BUG=None
TEST=build crash-reporter and run unit tests

Change-Id: Id14e1a5a3a2aa7be3caee309c04d85078e43a315
Reviewed-on: https://chromium-review.googlesource.com/267726
Trybot-Ready: Chris Masone <cmasone@chromium.org>
Tested-by: Chris Masone <cmasone@chromium.org>
Reviewed-by: Steve Fung <stevefung@chromium.org>
Commit-Queue: Chris Masone <cmasone@chromium.org>
diff --git a/crash_reporter/crash-reporter.gyp b/crash_reporter/crash-reporter.gyp
index 988cb5d..a7f0e7e 100644
--- a/crash_reporter/crash-reporter.gyp
+++ b/crash_reporter/crash-reporter.gyp
@@ -43,7 +43,7 @@
             'proxy_output_file': 'include/session_manager/dbus-proxies.h'
           },
           'sources': [
-            '../login_manager/dbus_bindings/org.chromium.SessionManager.xml',
+            '../login_manager/org.chromium.SessionManagerInterface.xml',
           ],
           'includes': ['../common-mk/generate-dbus-proxies.gypi'],
         },