fix: android-31 target version (#71)

* chore: add android-31 to supported targets

* test: update test

Author: rigor789

lib/android-tools-info.ts

@@ -26,7 +26,8 @@ export class AndroidToolsInfo implements NativeScriptDoctor.IAndroidToolsInfo {
 			"android-27",
 			"android-28",
 			"android-29",
-			"android-30"
+			"android-30",
+			"android-31",
 		];
 
 		if (runtimeVersion && semver.lt(semver.coerce(runtimeVersion), "6.1.0")) {

test/android-tools-info.ts

@@ -79,9 +79,9 @@ describe("androidToolsInfo", () => {
 	});
 
 	describe("supportedAndroidSdks", () => {
-		it("should support android-17 - android-30", () => {
+		it("should support android-17 - android-31", () => {
 			const min = 17;
-			const max = 30;
+			const max = 31;
 			let cnt = 0;
 			const androidToolsInfo = getAndroidToolsInfo("6.5.0");
 			const supportedTargets = androidToolsInfo.getSupportedTargets("test");