add start to android building

Overlord-Server/src/server/build-process.ts

@@ -170,7 +170,7 @@ export async function startBuildProcess(
 
     for (const platform of platformsToBuild) {
       const [os, arch, ...rest] = platform.split("-");
-      const goarm = rest[0] === "armv7" ? "7" : undefined;
+      const goarm = arch === "armv7" ? "7" : undefined;
       const actualArch = goarm ? "arm" : arch;
       const outputName = deps.sanitizeOutputName(
         platform.includes("windows") ? `agent-${platform}.exe` : `agent-${platform}`,

Overlord-Server/src/server/validation-constants.ts

@@ -25,4 +25,7 @@ export const ALLOWED_PLATFORMS = new Set([
   "darwin-arm64",
   "freebsd-amd64",
   "freebsd-arm64",
+  "android-arm64",
+  "android-amd64",
+  "android-armv7",
 ]);