[cherry-pick] Update azure.json to align with aws and gcp (#3191)

Signed-off-by: thomasvn <thomasvn.dev@gmail.com>

configs/aws.json

@@ -1,6 +1,6 @@
 {
     "provider": "custom",
-    "description": "Default prices used to compute allocation between RAM and CPU. AWS pricing API data still used for total node cost.",
+    "description": "Default prices used to compute allocation between RAM, CPU and GPU. AWS pricing API data still used for total node cost.",
     "CPU": "0.031611",
     "spotCPU": "0.006655",
     "RAM": "0.004237",

configs/azure.json

@@ -1,11 +1,11 @@
 {
-    "provider": "Azure",
-    "description": "Azure estimates based on April 2019 advertised prices",
-    "CPU": "0.03900",
-    "spotCPU": "0.007764",
-    "RAM": "0.001917",
-    "GPU": "0.0428925",
-    "spotRAM": "0.000382",
+    "provider": "custom",
+    "description": "Default prices used to compute allocation between RAM, CPU and GPU. Azure pricing API data still used for total node cost.",
+    "CPU": "0.031611",
+    "spotCPU": "0.006655",
+    "RAM": "0.004237",
+    "GPU": "0.95",
+    "spotRAM": "0.000892",
     "storage": "0.00005479452",
     "zoneNetworkEgress": "0.01",
     "regionNetworkEgress": "0.01",

configs/gcp.json

@@ -1,6 +1,6 @@
 {
     "provider": "custom",
-    "description": "Default prices used to compute allocation between RAM and CPU. AWS pricing API data still used for total node cost.",
+    "description": "Default prices used to compute allocation between RAM and CPU. GCP pricing API data still used for total node cost.",
     "CPU": "0.031611",
     "spotCPU": "0.006655",
     "RAM": "0.004237",