Add a missing null pointer check for AdapterService

Add a missing null pointer check for AdapterService
inside class AdapterServiceBinder when receiving
a Binder request to dump Bluetooth state.

[Cherry-picked from AOSP]

Bug: 27343461
Change-Id: I62e67120f6eb6edb5a93b19a9cca5c09862d6506

parent d030952f

android/app/src/com/android/bluetooth/btservice/AdapterService.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -1414,6 +1414,7 @@ public class AdapterService extends Service {
		public void dump(FileDescriptor fd, String[] args) {
		PrintWriter writer = new PrintWriter(new FileOutputStream(fd));
		AdapterService service = getService();
		if (service == null) return;
		service.dump(fd, writer, args);
		}
		};