Suppress non-critical warnings in pcre.

* We should enable those warnings after fixing the upstream source code.

Bug: 64487164
Test: build with WITH_TIDY=1
Change-Id: Id06c940325e9ee24fb65a4fae25adc2bd1d15043
diff --git a/Android.bp b/Android.bp
index d57b4c2..c3bffad 100644
--- a/Android.bp
+++ b/Android.bp
@@ -32,6 +32,10 @@
 cc_defaults {
     name: "pcre_defaults",
     cflags: ["-DHAVE_CONFIG_H"],
+    tidy_checks: [
+        "-google-build-using-namespace",
+        "-google-global-names-in-headers",
+    ],
     local_include_dirs: [
         "include_internal",
         "include",
@@ -59,6 +63,10 @@
 cc_library_shared {
     name: "libpcrecpp",
     cflags: ["-Wno-unused-parameter"],
+    tidy_checks: [
+        "-google-build-using-namespace",
+        "-google-global-names-in-headers",
+    ],
     local_include_dirs: ["pcrecpp/include"],
     shared_libs: ["libpcre2"],
     export_include_dirs: [