tp: add support for importing Gecko JSON traces

Right now we only support stack samples in Gecko traces.

Change-Id: Ia464d09739e8366fbad7dc2df4989b0d1b1c475e
diff --git a/Android.bp b/Android.bp
index 5e40a00..4c345bd 100644
--- a/Android.bp
+++ b/Android.bp
@@ -2478,6 +2478,7 @@
         ":perfetto_src_trace_processor_importers_fuchsia_fuchsia_record",
         ":perfetto_src_trace_processor_importers_fuchsia_full",
         ":perfetto_src_trace_processor_importers_fuchsia_minimal",
+        ":perfetto_src_trace_processor_importers_gecko_gecko_event",
         ":perfetto_src_trace_processor_importers_gzip_full",
         ":perfetto_src_trace_processor_importers_i2c_full",
         ":perfetto_src_trace_processor_importers_instruments_instruments",
@@ -12546,6 +12547,11 @@
     ],
 }
 
+// GN: //src/trace_processor/importers/gecko:gecko_event
+filegroup {
+    name: "perfetto_src_trace_processor_importers_gecko_gecko_event",
+}
+
 // GN: //src/trace_processor/importers/gzip:full
 filegroup {
     name: "perfetto_src_trace_processor_importers_gzip_full",
@@ -15577,6 +15583,7 @@
         ":perfetto_src_trace_processor_importers_fuchsia_full",
         ":perfetto_src_trace_processor_importers_fuchsia_minimal",
         ":perfetto_src_trace_processor_importers_fuchsia_unittests",
+        ":perfetto_src_trace_processor_importers_gecko_gecko_event",
         ":perfetto_src_trace_processor_importers_gzip_full",
         ":perfetto_src_trace_processor_importers_i2c_full",
         ":perfetto_src_trace_processor_importers_instruments_instruments",
@@ -16642,6 +16649,7 @@
         ":perfetto_src_trace_processor_importers_fuchsia_fuchsia_record",
         ":perfetto_src_trace_processor_importers_fuchsia_full",
         ":perfetto_src_trace_processor_importers_fuchsia_minimal",
+        ":perfetto_src_trace_processor_importers_gecko_gecko_event",
         ":perfetto_src_trace_processor_importers_gzip_full",
         ":perfetto_src_trace_processor_importers_i2c_full",
         ":perfetto_src_trace_processor_importers_instruments_instruments",
@@ -16884,6 +16892,7 @@
         ":perfetto_src_trace_processor_importers_etw_minimal",
         ":perfetto_src_trace_processor_importers_ftrace_minimal",
         ":perfetto_src_trace_processor_importers_fuchsia_fuchsia_record",
+        ":perfetto_src_trace_processor_importers_gecko_gecko_event",
         ":perfetto_src_trace_processor_importers_instruments_row",
         ":perfetto_src_trace_processor_importers_json_minimal",
         ":perfetto_src_trace_processor_importers_memory_tracker_graph_processor",
@@ -17059,6 +17068,7 @@
         ":perfetto_src_trace_processor_importers_fuchsia_fuchsia_record",
         ":perfetto_src_trace_processor_importers_fuchsia_full",
         ":perfetto_src_trace_processor_importers_fuchsia_minimal",
+        ":perfetto_src_trace_processor_importers_gecko_gecko_event",
         ":perfetto_src_trace_processor_importers_gzip_full",
         ":perfetto_src_trace_processor_importers_i2c_full",
         ":perfetto_src_trace_processor_importers_instruments_instruments",