tp: move args, process and track trackers -> importers/common

Change-Id: I2df6401e191ef87c132bc5dab1d3c7ca2a8159af
diff --git a/Android.bp b/Android.bp
index c9661b9..061412c 100644
--- a/Android.bp
+++ b/Android.bp
@@ -6563,13 +6563,15 @@
 filegroup {
   name: "perfetto_src_trace_processor_storage_minimal",
   srcs: [
-    "src/trace_processor/args_tracker.cc",
     "src/trace_processor/clock_tracker.cc",
     "src/trace_processor/default_modules.cc",
     "src/trace_processor/event_tracker.cc",
     "src/trace_processor/forwarding_trace_parser.cc",
-    "src/trace_processor/global_args_tracker.cc",
     "src/trace_processor/heap_profile_tracker.cc",
+    "src/trace_processor/importers/common/args_tracker.cc",
+    "src/trace_processor/importers/common/global_args_tracker.cc",
+    "src/trace_processor/importers/common/process_tracker.cc",
+    "src/trace_processor/importers/common/track_tracker.cc",
     "src/trace_processor/importers/ftrace/ftrace_module.cc",
     "src/trace_processor/importers/gzip/gzip_utils.cc",
     "src/trace_processor/importers/json/json_utils.cc",
@@ -6586,14 +6588,12 @@
     "src/trace_processor/importers/proto/track_event_tokenizer.cc",
     "src/trace_processor/metadata_tracker.cc",
     "src/trace_processor/perf_sample_tracker.cc",
-    "src/trace_processor/process_tracker.cc",
     "src/trace_processor/slice_tracker.cc",
     "src/trace_processor/stack_profile_tracker.cc",
     "src/trace_processor/trace_processor_context.cc",
     "src/trace_processor/trace_processor_storage.cc",
     "src/trace_processor/trace_processor_storage_impl.cc",
     "src/trace_processor/trace_sorter.cc",
-    "src/trace_processor/track_tracker.cc",
     "src/trace_processor/virtual_destructors.cc",
   ],
 }
@@ -6655,13 +6655,13 @@
     "src/trace_processor/experimental_counter_dur_generator_unittest.cc",
     "src/trace_processor/forwarding_trace_parser_unittest.cc",
     "src/trace_processor/heap_profile_tracker_unittest.cc",
+    "src/trace_processor/importers/common/process_tracker_unittest.cc",
     "src/trace_processor/importers/fuchsia/fuchsia_trace_utils_unittest.cc",
     "src/trace_processor/importers/proto/args_table_utils_unittest.cc",
     "src/trace_processor/importers/proto/heap_graph_tracker_unittest.cc",
     "src/trace_processor/importers/proto/heap_graph_walker_unittest.cc",
     "src/trace_processor/importers/proto/proto_trace_parser_unittest.cc",
     "src/trace_processor/importers/systrace/systrace_parser_unittest.cc",
-    "src/trace_processor/process_tracker_unittest.cc",
     "src/trace_processor/protozero_to_text_unittests.cc",
     "src/trace_processor/slice_tracker_unittest.cc",
     "src/trace_processor/syscall_tracker_unittest.cc",