Log thread

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

@@ -200,6 +200,7 @@ class Core {
                         crumb.put("folder", op.account + ":" + op.folder + ":" + folder.type);
                         if (op.message != null)
                             crumb.put("message", Long.toString(op.message));
+                        crumb.put("thread", Long.toString(Thread.currentThread().getId()));
                         crumb.put("free", Integer.toString(Log.getFreeMemMb()));
                         Log.breadcrumb("start operation", crumb);
 
@@ -295,6 +296,7 @@ class Core {
                             }
                         }
 
+                        crumb.put("thread", Long.toString(Thread.currentThread().getId()));
                         crumb.put("free", Integer.toString(Log.getFreeMemMb()));
                         Log.breadcrumb("end operation", crumb);
 

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

@@ -281,6 +281,7 @@ public class Log {
             public boolean run(@NonNull Error error) {
                 error.addToTab("extra", "installer", installer == null ? "-" : installer);
                 error.addToTab("extra", "fingerprint", fingerprint);
+                error.addToTab("extra", "thread", Thread.currentThread().getId());
                 error.addToTab("extra", "free", Log.getFreeMemMb());
 
                 String theme = prefs.getString("theme", "light");