Untangle dependencies for the default impl of quiche_default_proof_providers

PiperOrigin-RevId: 519624738
diff --git a/build/source_list.bzl b/build/source_list.bzl
index 0f6a8ac..7303216 100644
--- a/build/source_list.bzl
+++ b/build/source_list.bzl
@@ -1378,7 +1378,6 @@
     "common/platform/default/quiche_platform_impl/quiche_bug_tracker_impl.h",
     "common/platform/default/quiche_platform_impl/quiche_client_stats_impl.h",
     "common/platform/default/quiche_platform_impl/quiche_containers_impl.h",
-    "common/platform/default/quiche_platform_impl/quiche_default_proof_providers_impl.h",
     "common/platform/default/quiche_platform_impl/quiche_event_loop_impl.h",
     "common/platform/default/quiche_platform_impl/quiche_export_impl.h",
     "common/platform/default/quiche_platform_impl/quiche_flag_utils_impl.h",
@@ -1407,12 +1406,14 @@
 ]
 default_platform_impl_tool_support_hdrs = [
     "common/platform/default/quiche_platform_impl/quiche_command_line_flags_impl.h",
+    "common/platform/default/quiche_platform_impl/quiche_default_proof_providers_impl.h",
     "common/platform/default/quiche_platform_impl/quiche_file_utils_impl.h",
     "common/platform/default/quiche_platform_impl/quiche_stream_buffer_allocator_impl.h",
     "common/platform/default/quiche_platform_impl/quiche_system_event_loop_impl.h",
 ]
 default_platform_impl_tool_support_srcs = [
     "common/platform/default/quiche_platform_impl/quiche_command_line_flags_impl.cc",
+    "common/platform/default/quiche_platform_impl/quiche_default_proof_providers_impl.cc",
     "common/platform/default/quiche_platform_impl/quiche_file_utils_impl.cc",
 ]
 default_platform_impl_test_support_hdrs = [