Add missing libc++ includes

Bug: 175635923
Test: m libhwui
Change-Id: I0247940a8539059010ecd712f7be3ea06c8451f6
diff --git a/current/sdk/common_os/include/libnativehelper/include_platform_header_only/nativehelper/detail/signature_checker.h b/current/sdk/common_os/include/libnativehelper/include_platform_header_only/nativehelper/detail/signature_checker.h
index 06ebfa4..f5755a4 100644
--- a/current/sdk/common_os/include/libnativehelper/include_platform_header_only/nativehelper/detail/signature_checker.h
+++ b/current/sdk/common_os/include/libnativehelper/include_platform_header_only/nativehelper/detail/signature_checker.h
@@ -34,6 +34,7 @@
 
 #pragma once
 
+#include <exception>
 #include <iostream>     // std::ostream
 #include <jni.h>        // jni typedefs, JniNativeMethod.
 #include <type_traits>  // std::common_type, std::remove_cv
diff --git a/go/current/sdk/common_os/include/libnativehelper/include_platform_header_only/nativehelper/detail/signature_checker.h b/go/current/sdk/common_os/include/libnativehelper/include_platform_header_only/nativehelper/detail/signature_checker.h
index 06ebfa4..f5755a4 100644
--- a/go/current/sdk/common_os/include/libnativehelper/include_platform_header_only/nativehelper/detail/signature_checker.h
+++ b/go/current/sdk/common_os/include/libnativehelper/include_platform_header_only/nativehelper/detail/signature_checker.h
@@ -34,6 +34,7 @@
 
 #pragma once
 
+#include <exception>
 #include <iostream>     // std::ostream
 #include <jni.h>        // jni typedefs, JniNativeMethod.
 #include <type_traits>  // std::common_type, std::remove_cv