Make cld2_table_size configurable in GN builds

third_party/cld_2/BUILD.gn

Index: third_party/cld_2/BUILD.gn
diff --git a/third_party/cld_2/BUILD.gn b/third_party/cld_2/BUILD.gn
index bd3a181e5d7d33c17aede02de7795cd4dd2325c6..6d0e8babde6f50b74606459ef8159c94a91b47ef 100644
--- a/third_party/cld_2/BUILD.gn
+++ b/third_party/cld_2/BUILD.gn
@@ -4,6 +4,14 @@
 
 import("//build/config/features.gni")
 
+declare_args() {
+  if (is_android || is_ios) {
+    cld2_table_size = 0  # Small, accurate tables
+  } else {
+    cld2_table_size = 2  # Larger, more accurate tables
+  }
+}
+
 gypi_values = exec_script("//build/gypi_to_gn.py",
                           [ rebase_path("cld_2.gyp") ],
                           "scope",
@@ -31,8 +39,6 @@ gypi_values = exec_script("//build/gypi_to_gn.py",
 #   components/translate/content/renderer/renderer_cld_utils.cc
 cld2_platform_support = "static"
 
-cld2_table_size = 2
-
 config("cld2_data_warnings") {
   visibility = [ ":*" ]
   if (is_clang) {