XR Device Driver update for newer IPM and update for tests to work with current Tera Flow version

• Update XR Device Driver to work with newer IPM version (some REST API changes, API version 0.7.4)
  • Management of implicit transport capacity in L1 mode (previously invisible in REST API)
  • Changes in enumerations indicating port and VTI modes.
  • Changes in interface selector naming
• Update XR Device Driver functional tests to work with baseline changes introduced in feat/nfvsdn22
• Update XR Device Driver unit tests to work with current TF version

src/device/service/drivers/xr/cm/tests/resources/connections-expanded.json

@@ -2,7 +2,8 @@
     {
         "config": {
             "name": "FooBar123",
-            "serviceMode": "portMode"
+            "serviceMode": "XR-L1",
+            "implicitTransportCapacity": "portMode"
         },
         "endpoints": [
             {
@@ -141,12 +142,14 @@
             "createdBy": "host",
             "lifecycleState": "configured",
             "name": "FooBar123",
-            "serviceMode": "portMode"
+            "serviceMode": "XR-L1",
+            "implicitTransportCapacity": "portMode"
         }
     },
     {
         "config": {
-            "serviceMode": "portMode"
+            "serviceMode": "XR-L1",
+            "implicitTransportCapacity": "portMode"
         },
         "endpoints": [
             {
@@ -284,7 +287,8 @@
         "state": {
             "createdBy": "host",
             "lifecycleState": "configured",
-            "serviceMode": "portMode"
+            "serviceMode": "XR-L1",
+            "implicitTransportCapacity": "portMode"
         }
     }
 ]
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