TraceProcessor: Add table for logcat events

Bug: 122243384
Change-Id: I3d3217d995628474fc0c85449a0ac665c409302e
diff --git a/src/trace_processor/trace_storage.h b/src/trace_processor/trace_storage.h
index 0ea97e6..d0e30f2 100644
--- a/src/trace_processor/trace_storage.h
+++ b/src/trace_processor/trace_storage.h
@@ -381,6 +381,37 @@
     std::deque<UniqueTid> utids_;
   };
 
+  class AndroidLogs {
+   public:
+    inline size_t AddLogEvent(int64_t timestamp,
+                              UniqueTid utid,
+                              uint8_t prio,
+                              StringId tag_id,
+                              StringId msg_id) {
+      timestamps_.emplace_back(timestamp);
+      utids_.emplace_back(utid);
+      prios_.emplace_back(prio);
+      tag_ids_.emplace_back(tag_id);
+      msg_ids_.emplace_back(msg_id);
+      return size() - 1;
+    }
+
+    size_t size() const { return timestamps_.size(); }
+
+    const std::deque<int64_t>& timestamps() const { return timestamps_; }
+    const std::deque<UniqueTid>& utids() const { return utids_; }
+    const std::deque<uint8_t>& prios() const { return prios_; }
+    const std::deque<StringId>& tag_ids() const { return tag_ids_; }
+    const std::deque<StringId>& msg_ids() const { return msg_ids_; }
+
+   private:
+    std::deque<int64_t> timestamps_;
+    std::deque<UniqueTid> utids_;
+    std::deque<uint8_t> prios_;
+    std::deque<StringId> tag_ids_;
+    std::deque<StringId> msg_ids_;
+  };
+
   void ResetStorage();
 
   UniqueTid AddEmptyThread(uint32_t tid) {
@@ -445,6 +476,9 @@
   const Instants& instants() const { return instants_; }
   Instants* mutable_instants() { return &instants_; }
 
+  const AndroidLogs& android_logs() const { return android_log_; }
+  AndroidLogs* mutable_android_log() { return &android_log_; }
+
   const Stats& stats() const { return stats_; }
   Stats* mutable_stats() { return &stats_; }
 
@@ -512,6 +546,7 @@
   // args table. This table can be used to generate a text version of the
   // trace.
   RawEvents raw_events_;
+  AndroidLogs android_log_;
 };
 
 }  // namespace trace_processor