Fix MV

Fix MV in Patch examples

Author: XiangyuL-Microsoft

specification/mixedreality/resource-manager/Microsoft.MixedReality/preview/2019-02-28-preview/examples/SpatialAnchorsAccount/Patch.json

@@ -6,7 +6,8 @@
     "spatialAnchorsAccountName": "MyAccount",
     "api-version": "2019-02-28-preview",
     "spatialAnchorsAccount": {
-      "Tags": {
+      "location": "eastus2euap",
+      "tags": {
         "heroine": "juliet",
         "hero": "romeo"
       }

specification/mixedreality/resource-manager/Microsoft.MixedReality/preview/2019-12-02-preview/examples/remote-rendering/Patch.json

@@ -6,7 +6,8 @@
     "accountName": "MyAccount",
     "api-version": "2019-02-28-preview",
     "remoteRenderingAccount": {
-      "Tags": {
+      "location": "eastus2euap",
+      "tags": {
         "heroine": "juliet",
         "hero": "romeo"
       }

specification/mixedreality/resource-manager/Microsoft.MixedReality/preview/2019-12-02-preview/examples/spatial-anchors/Patch.json

@@ -6,7 +6,8 @@
     "accountName": "MyAccount",
     "api-version": "2019-02-28-preview",
     "spatialAnchorsAccount": {
-      "Tags": {
+      "location": "eastus2euap",
+      "tags": {
         "heroine": "juliet",
         "hero": "romeo"
       }

specification/mixedreality/resource-manager/Microsoft.MixedReality/stable/2020-05-01/examples/spatial-anchors/Patch.json

@@ -5,7 +5,8 @@
     "accountName": "MyAccount",
     "api-version": "2020-05-01",
     "spatialAnchorsAccount": {
-      "Tags": {
+      "location": "eastus2euap",
+      "tags": {
         "heroine": "juliet",
         "hero": "romeo"
       }