diff --git a/Android.bp b/Android.bp
index eb51eaa..4fb115a 100644
--- a/Android.bp
+++ b/Android.bp
@@ -6713,6 +6713,7 @@
   name: "perfetto_src_trace_processor_lib",
   srcs: [
     "src/trace_processor/dynamic/ancestor_slice_generator.cc",
+    "src/trace_processor/dynamic/descendant_slice_generator.cc",
     "src/trace_processor/dynamic/describe_slice_generator.cc",
     "src/trace_processor/dynamic/experimental_counter_dur_generator.cc",
     "src/trace_processor/dynamic/experimental_flamegraph_generator.cc",