gn2bp: Add JavaCppStringSanitizer

Test: ./update_results.sh
Change-Id: I5c823d1b86b57345fbf0debcf0228ea70d67655e
diff --git a/tools/gn2bp/gen_android_bp b/tools/gn2bp/gen_android_bp
index 2ce694b..e04172e 100755
--- a/tools/gn2bp/gen_android_bp
+++ b/tools/gn2bp/gen_android_bp
@@ -907,6 +907,9 @@
     self._set_value_arg('--srcjar', '$(out)')
     super()._sanitize_args()
 
+class JavaCppStringSanitizer(BaseActionSanitizer):
+  pass
+
 def get_action_sanitizer(target, type):
   if target.script == "//build/write_buildflag_header.py":
     return WriteBuildFlagHeaderSanitizer(target)
@@ -927,6 +930,8 @@
     return MakeDafsaSanitizer(target)
   elif target.script == '//build/android/gyp/java_cpp_features.py':
     return JavaCppFeatureSanitizer(target)
+  elif target.script == '//build/android/gyp/java_cpp_strings.py':
+    return JavaCppStringSanitizer(target)
   else:
     # TODO: throw exception here once all script hacks have been converted.
     return BaseActionSanitizer(target)