Call Thread.currentThread().interrupt() when handling interruption.

briar-android/src/org/briarproject/android/AndroidExecutorImpl.java

@@ -6,6 +6,7 @@ import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 import java.util.concurrent.FutureTask;
 import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.logging.Logger;
 
 import javax.inject.Inject;
 
@@ -19,6 +20,9 @@ class AndroidExecutorImpl implements AndroidExecutor {
 
 	private static final int SHUTDOWN = 0, RUN = 1;
 
+	private static final Logger LOG =
+			Logger.getLogger(AndroidExecutorImpl.class.getName());
+
 	private final Runnable loop;
 	private final AtomicBoolean started = new AtomicBoolean(false);
 	private final CountDownLatch startLatch = new CountDownLatch(1);
@@ -43,6 +47,7 @@ class AndroidExecutorImpl implements AndroidExecutor {
 		try {
 			startLatch.await();
 		} catch(InterruptedException e) {
+			LOG.warning("Interrupted while starting executor thread");
 			Thread.currentThread().interrupt();
 		}
 	}

briar-android/src/org/briarproject/android/BriarActivity.java

@@ -92,6 +92,7 @@ public class BriarActivity extends RoboFragmentActivity {
 					service.waitForShutdown();
 				} catch(InterruptedException e) {
 					LOG.warning("Interrupted while waiting for service");
+					Thread.currentThread().interrupt();
 				}
 				finishAndExit();
 			}

briar-android/src/org/briarproject/android/TestingActivity.java

@@ -261,7 +261,8 @@ public class TestingActivity extends BriarActivity implements OnClickListener {
 				}
 			});
 		} catch(InterruptedException e) {
-			if(LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
+			LOG.warning("Interrupted while getting BluetoothAdapter");
+			Thread.currentThread().interrupt();
 		} catch(ExecutionException e) {
 			if(LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
 		}