Rename linker greylist to exempt-list

Update language to comply with Android's inclusive language guidance

See https://source.android.com/setup/contribute/respectful-code for reference

  #inclusivefixit

Bug: http://b/162536543
Test: device boots
Change-Id: Ia80fb2f3be6abdadbd061570d48a4ef0fefcfebc
diff --git a/libnativeloader/native_loader_namespace.cpp b/libnativeloader/native_loader_namespace.cpp
index 79a9791..fe15c70 100644
--- a/libnativeloader/native_loader_namespace.cpp
+++ b/libnativeloader/native_loader_namespace.cpp
@@ -86,7 +86,7 @@
 
 Result<NativeLoaderNamespace> NativeLoaderNamespace::Create(
     const std::string& name, const std::string& search_paths, const std::string& permitted_paths,
-    const NativeLoaderNamespace* parent, bool is_shared, bool is_greylist_enabled,
+    const NativeLoaderNamespace* parent, bool is_shared, bool is_exempt_list_enabled,
     bool also_used_as_anonymous) {
   bool is_bridged = false;
   if (parent != nullptr) {
@@ -116,8 +116,8 @@
   if (is_shared) {
     type |= ANDROID_NAMESPACE_TYPE_SHARED;
   }
-  if (is_greylist_enabled) {
-    type |= ANDROID_NAMESPACE_TYPE_GREYLIST_ENABLED;
+  if (is_exempt_list_enabled) {
+    type |= ANDROID_NAMESPACE_TYPE_EXEMPT_LIST_ENABLED;
   }
 
   if (!is_bridged) {