Yield foreground service start

app/src/main/java/eu/faircode/email/Helper.java

@@ -199,6 +199,7 @@ public class Helper {
     static final int AUTH_AUTOLOCK_GRACE = 15; // seconds
     static final int PIN_FAILURE_DELAY = 3; // seconds
     static final long PIN_FAILURE_DELAY_MAX = 20 * 60 * 1000L; // milliseconds
+    static final long FOREGROUND_SERVICE_YIELD = 200L;
 
     static final String PGP_OPENKEYCHAIN_PACKAGE = "org.sufficientlysecure.keychain";
     static final String PGP_BEGIN_MESSAGE = "-----BEGIN PGP MESSAGE-----";

app/src/main/java/eu/faircode/email/ServiceSend.java

@@ -1001,6 +1001,7 @@ public class ServiceSend extends ServiceBase implements SharedPreferences.OnShar
     static void start(Context context) {
         try {
             ContextCompat.startForegroundService(context, new Intent(context, ServiceSend.class));
+            Thread.sleep(Helper.FOREGROUND_SERVICE_YIELD);
         } catch (Throwable ex) {
             Log.e(ex);
         }

app/src/main/java/eu/faircode/email/ServiceSynchronize.java

@@ -3493,6 +3493,7 @@ public class ServiceSynchronize extends ServiceBase implements SharedPreferences
                 context.startService(intent);
             else
                 ContextCompat.startForegroundService(context, intent);
+            Thread.sleep(Helper.FOREGROUND_SERVICE_YIELD);
         } catch (Throwable ex) {
             Log.e(ex);
         }