tp: add some macros and tables for operating on heap graphs

This prepares for the addition of flamegraphs on top of heap graphs
using SQL queries.

Change-Id: Ie579e767eea21bfa5881b2c45519bc3387512813
diff --git a/Android.bp b/Android.bp
index a16b10c..7ebf1fb 100644
--- a/Android.bp
+++ b/Android.bp
@@ -13122,8 +13122,12 @@
         "src/trace_processor/perfetto_sql/stdlib/android/io.sql",
         "src/trace_processor/perfetto_sql/stdlib/android/job_scheduler.sql",
         "src/trace_processor/perfetto_sql/stdlib/android/memory/dmabuf.sql",
+        "src/trace_processor/perfetto_sql/stdlib/android/memory/heap_graph/class_tree.sql",
+        "src/trace_processor/perfetto_sql/stdlib/android/memory/heap_graph/dominator_class_tree.sql",
         "src/trace_processor/perfetto_sql/stdlib/android/memory/heap_graph/dominator_tree.sql",
         "src/trace_processor/perfetto_sql/stdlib/android/memory/heap_graph/excluded_refs.sql",
+        "src/trace_processor/perfetto_sql/stdlib/android/memory/heap_graph/helpers.sql",
+        "src/trace_processor/perfetto_sql/stdlib/android/memory/heap_graph/raw_dominator_tree.sql",
         "src/trace_processor/perfetto_sql/stdlib/android/memory/process.sql",
         "src/trace_processor/perfetto_sql/stdlib/android/monitor_contention.sql",
         "src/trace_processor/perfetto_sql/stdlib/android/network_packets.sql",