Move ICU from ART APEX to i18n APEX

It involves a change of boot class path to use core-icu4j
from i18n APEX.

Bug: 138994281
Test: device boots
Test: m build-art-target-tests
Test: CtsJniTestCases
Test: atest libnativeloader_test
Test: ./art/test/testrunner/run_build_test_target.py -j80 art-test
Test: art/build/apex/runtests.sh
Change-Id: I30fc3735be760cba48856cd102852d2a6c796374

1 files changed, 10 insertions, 0 deletions

diff --git a/libnativeloader/library_namespaces.cpp b/libnativeloader/library_namespaces.cpp
index d42a4b55ed..14ba721420 100644
--- a/libnativeloader/library_namespaces.cpp
+++ b/libnativeloader/library_namespaces.cpp
@@ -51,6 +51,7 @@ constexpr const char* kVendorNamespaceName = "sphal";
 constexpr const char* kVndkNamespaceName = "vndk";
 constexpr const char* kVndkProductNamespaceName = "vndk_product";
 constexpr const char* kArtNamespaceName = "com_android_art";
+constexpr const char* kI18nNamespaceName = "com_android_i18n";
 constexpr const char* kNeuralNetworksNamespaceName = "com_android_neuralnetworks";
 constexpr const char* kStatsdNamespaceName = "com_android_os_statsd";
 
@@ -272,6 +273,15 @@ Result<NativeLoaderNamespace*> LibraryNamespaces::Create(JNIEnv* env, uint32_t t
     }
   }
 
+  auto i18n_ns = NativeLoaderNamespace::GetExportedNamespace(kI18nNamespaceName, is_bridged);
+  // i18n APEX does not exist on host, and under certain build conditions.
+  if (i18n_ns.ok()) {
+    linked = app_ns->Link(*i18n_ns, i18n_public_libraries());
+    if (!linked.ok()) {
+      return linked.error();
+    }
+  }
+
   // Give access to NNAPI libraries (apex-updated LLNDK library).
   auto nnapi_ns =
       NativeLoaderNamespace::GetExportedNamespace(kNeuralNetworksNamespaceName, is_bridged);