cmd/tailscale: don't use TileService if not supported

Bump version code for release.

Signed-off-by: Elias Naur <mail@eliasnaur.com>

android/build.gradle

@@ -25,7 +25,7 @@ android {
     defaultConfig {
         minSdkVersion 23
         targetSdkVersion 29
-        versionCode 13
+        versionCode 14
         versionName System.getenv("VERSION")
     }
 	compileOptions {

android/src/main/java/com/tailscale/ipn/App.java

@@ -84,6 +84,9 @@ public class App extends Application {
 	}
 
 	void setTileStatus(boolean wantRunning) {
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
+			return;
+		}
 		QuickToggleService.setStatus(this, wantRunning);
 	}