tp: migrate ThreadTable, ProcessTable, AndroidLogsTable to Python

This CL introduces the actual conversion of Python generated tables to
C++ and migrates three of the trickier tables over

Change-Id: I443ea5ce823868ec974a442de3a55b83307ffa49

python/BUILD

diff --git a/python/BUILD b/python/BUILD
index 292126f..4700d19 100644
--- a/python/BUILD
+++ b/python/BUILD
@@ -61,6 +61,7 @@
     name = "trace_processor_table_generator",
     srcs = [
         "generators/trace_processor_table/public.py",
+        "generators/trace_processor_table/serialize.py",
         "generators/trace_processor_table/util.py",
     ],
 )