Move logging into a database.

app/src/test/java/org/thoughtcrime/securesms/testutil/EmptyLogger.java

@@ -22,5 +22,5 @@ public class EmptyLogger extends Log.Logger {
   public void wtf(String tag, String message, Throwable t) { }
 
   @Override
-  public void blockUntilAllWritesFinished() { }
+  public void flush() { }
 }

app/src/test/java/org/thoughtcrime/securesms/testutil/LogRecorder.java

@@ -48,7 +48,7 @@ public final class LogRecorder extends Log.Logger {
   }
 
   @Override
-  public void blockUntilAllWritesFinished() {
+  public void flush() {
   }
 
   public List<Entry> getVerbose() {

app/src/test/java/org/thoughtcrime/securesms/testutil/SystemOutLogger.java

@@ -34,7 +34,7 @@ public final class SystemOutLogger extends Log.Logger {
   }
 
   @Override
-  public void blockUntilAllWritesFinished() { }
+  public void flush() { }
 
   private void printlnFormatted(char level, String tag, String message, Throwable t) {
     System.out.println(format(level, tag, message, t));