Clean up TODOs in statsd

+ Created bugs for those TODOs that are still relevant.
+ Remove obsolete TODOs.

Test: no code change.
Change-Id: I41c2a89a882f087817ee6cbc3f095e1d80e1928e
diff --git a/cmds/statsd/src/logd/LogEvent.cpp b/cmds/statsd/src/logd/LogEvent.cpp
index 4e4f146..04d34f3 100644
--- a/cmds/statsd/src/logd/LogEvent.cpp
+++ b/cmds/statsd/src/logd/LogEvent.cpp
@@ -273,7 +273,7 @@
 }
 
 int64_t LogEvent::GetLong(size_t key, status_t* err) const {
-    // TODO: encapsulate the magical operations all in Field struct as a static function.
+    // TODO(b/110561208): encapsulate the magical operations in Field struct as static functions
     int field = getSimpleField(key);
     for (const auto& value : mValues) {
         if (value.mField.getField() == field) {