gn2bp: Add -Wno-unreachable-code-loop-increment flag

This is needed for icui18n

Test: m cronet_aml_components_cronet_android_cronet
Change-Id: I881932481cf4cfc8f3d8fcfe7d5ea5696c0849a0
diff --git a/tools/gn2bp/Android.bp.swp b/tools/gn2bp/Android.bp.swp
index 9d2d6b7..9e0b8ff 100644
--- a/tools/gn2bp/Android.bp.swp
+++ b/tools/gn2bp/Android.bp.swp
@@ -2628,6 +2628,7 @@
         "-Wno-non-virtual-dtor",
         "-Wno-sign-compare",
         "-Wno-sign-promo",
+        "-Wno-unreachable-code-loop-increment",
         "-Wno-unused-parameter",
         "-fvisibility=hidden",
     ],