feat: ARM support for gcloud bigtable emulator (#1094)

Author: rameshdharan

google-cloud-bigtable-emulator/pom.xml

@@ -52,7 +52,9 @@
             </goals>
             <configuration>
               <componentNames>
+                <componentName>bigtable-darwin-arm</componentName>
                 <componentName>bigtable-darwin-x86_64</componentName>
+                <componentName>bigtable-linux-arm</componentName>
                 <componentName>bigtable-linux-x86</componentName>
                 <componentName>bigtable-linux-x86_64</componentName>
                 <componentName>bigtable-windows-x86</componentName>

google-cloud-bigtable-emulator/src/main/java/com/google/cloud/bigtable/emulator/v2/Emulator.java

@@ -232,6 +232,9 @@ private static String getBundledResourcePath() {
       case "amd64":
         arch = "x86_64";
         break;
+      case "aarch64":
+        arch = "arm";
+        break;
       default:
         throw new UnsupportedOperationException("Unsupported architecture: " + unformattedArch);
     }