Update prebuilt Clang to r416183b from Android.

https://android.googlesource.com/platform/prebuilts/clang/host/
linux-x86/+/06a71ddac05c22edb2d10b590e1769b3f8619bef

clang 12.0.5 (based on r416183b) from build 7284624.

Change-Id: I277a316abcf47307562d8b748b84870f31a72866
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/linux-x64/clang/include/clang-tidy/cert/ProperlySeededRandomGeneratorCheck.h b/linux-x64/clang/include/clang-tidy/cert/ProperlySeededRandomGeneratorCheck.h
new file mode 100644
index 0000000..04d1f7b
--- /dev/null
+++ b/linux-x64/clang/include/clang-tidy/cert/ProperlySeededRandomGeneratorCheck.h
@@ -0,0 +1,46 @@
+//===--- ProperlySeededRandomGeneratorCheck.h - clang-tidy-------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_PROPERLY_SEEDED_RANDOM_GENERATOR_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_PROPERLY_SEEDED_RANDOM_GENERATOR_H
+
+#include "../ClangTidyCheck.h"
+#include <string>
+
+namespace clang {
+namespace tidy {
+namespace cert {
+
+/// Random number generator must be seeded properly.
+///
+/// A random number generator initialized with default value or a
+/// constant expression is a security vulnerability.
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/cert-properly-seeded-random-generator.html
+class ProperlySeededRandomGeneratorCheck : public ClangTidyCheck {
+public:
+  ProperlySeededRandomGeneratorCheck(StringRef Name, ClangTidyContext *Context);
+  void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
+  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+
+private:
+  template <class T>
+  void checkSeed(const ast_matchers::MatchFinder::MatchResult &Result,
+                 const T *Func);
+
+  std::string RawDisallowedSeedTypes;
+  SmallVector<StringRef, 5> DisallowedSeedTypes;
+};
+
+} // namespace cert
+} // namespace tidy
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_PROPERLY_SEEDED_RANDOM_GENERATOR_H