Add pdf_bidi_fuzzer build

Bug: chromium:839695
Change-Id: I062d9a97559a4d26062e8a4932527765f06025a4
Reviewed-on: https://chromium-review.googlesource.com/1050584
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#558306}

pdf/pdfium/fuzzers/BUILD.gn

@@ -30,6 +30,7 @@ group("pdf_fuzzers") {
   ]
   if (pdf_enable_xfa) {
     deps += [
+      ":pdf_bidi_fuzzer",
       ":pdf_cfx_barcode_fuzzer",
       ":pdf_codec_jpeg_fuzzer",
       ":pdf_css_fuzzer",
@@ -254,6 +255,13 @@ if (pdf_enable_xfa) {
     dict = "dicts/pdf_xml.dict"
   }
 
+  fuzzer_test("pdf_bidi_fuzzer") {
+    sources = []
+    deps = [
+      "//third_party/pdfium/testing/libfuzzer:pdf_bidi_fuzzer",
+    ]
+  }
+
   fuzzer_test("pdf_cfx_barcode_fuzzer") {
     sources = []
     deps = [