Add libnativehelper.so to public libraries

Exposes one copy libnativehelper to apps and everywhere else.

Bug: 150252746
Bug: 151443957
Test: m & boot
Test: art/tools/run-gtests.sh -j4
Test: art/test.py --target -r
Change-Id: I20b3c5b722bb54a2d4aca74819bd38f801324452
diff --git a/libnativeloader/public_libraries.cpp b/libnativeloader/public_libraries.cpp
index 4b56dc2..7bb5a1f 100644
--- a/libnativeloader/public_libraries.cpp
+++ b/libnativeloader/public_libraries.cpp
@@ -59,6 +59,7 @@
 const std::vector<const std::string> kArtApexPublicLibraries = {
     "libicuuc.so",
     "libicui18n.so",
+    "libnativehelper.so",
 };
 
 constexpr const char* kArtApexLibPath = "/apex/com.android.art/" LIB;