Revert "Disable dlfcn#dlopen_system_libicuuc_ tests due to test failures on cuttlefish"

This reverts commit 01fb8d7120d51cbb65de177f3ed95094549cf094.

Reason for revert: Re-land the test after fixing b/156397945

Bug: 156397945
Change-Id: Ie9ec5fef7a308e28d512c6438c5c06758bdbcf06
diff --git a/tests/dlext_test.cpp b/tests/dlext_test.cpp
index 3241a1e..1139e53 100644
--- a/tests/dlext_test.cpp
+++ b/tests/dlext_test.cpp
@@ -244,7 +244,6 @@
   ASSERT_TRUE(dlopen(PATH_TO_SYSTEM_LIB "libicui18n.so", RTLD_NOW) != nullptr);
 }
 
-/* TODO: Re-enable test when the cuttlefish build is fixed. http://b/156315785
 TEST(dlfcn, dlopen_system_libicuuc_android_api_level_29) {
   android_set_application_target_sdk_version(29);
   ASSERT_TRUE(dlopen(PATH_TO_SYSTEM_LIB "libicuuc.so", RTLD_NOW) == nullptr);
@@ -255,7 +254,6 @@
   ASSERT_TRUE(dlopen(PATH_TO_SYSTEM_LIB "libicuuc.so", RTLD_NOW) == nullptr);
   ASSERT_TRUE(dlopen(PATH_TO_SYSTEM_LIB "libicui18n.so", RTLD_NOW) == nullptr);
 }
-*/
 
 TEST(dlfcn, dlopen_from_zip_absolute_path) {
   const std::string lib_zip_path = "/libdlext_test_zip/libdlext_test_zip_zipaligned.zip";