Add a thread dump section to the log.

app/src/main/java/org/thoughtcrime/securesms/logsubmit/LogSectionCurrentThreadDump.java

@@ -0,0 +1,40 @@
+package org.thoughtcrime.securesms.logsubmit;
+
+import android.content.Context;
+
+import androidx.annotation.NonNull;
+
+import org.thoughtcrime.securesms.dependencies.AppDependencies;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Locale;
+import java.util.Map;
+
+public class LogSectionCurrentThreadDump implements LogSection {
+
+  @Override
+  public @NonNull String getTitle() {
+    return "LAST THREAD DUMP";
+  }
+
+  @Override
+  public @NonNull CharSequence getContent(@NonNull Context context) {
+    Map<Thread, StackTraceElement[]> traces = Thread.getAllStackTraces();
+    StringBuilder out = new StringBuilder();
+
+    for (Map.Entry<Thread, StackTraceElement[]> entry : traces.entrySet()) {
+      Thread thread = entry.getKey();
+      out.append("-- [").append(thread.getId()).append("] ")
+         .append(thread.getName()).append(" (").append(thread.getState()).append(")\n");
+
+      for (StackTraceElement element : entry.getValue()) {
+        out.append(element.toString()).append("\n");
+      }
+
+      out.append("\n");
+    }
+
+    return out;
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/logsubmit/SubmitDebugLogRepository.java

@@ -93,6 +93,7 @@ public class SubmitDebugLogRepository {
     add(new LogSectionTrace());
     add(new LogSectionThreads());
     add(new LogSectionThreadDump());
+    add(new LogSectionCurrentThreadDump());
     if (RemoteConfig.internalUser()) {
       add(new LogSectionSenderKey());
     }