Add missing host ldlibs

Host builds were compiling without -Wl,--no-undefined.  Add missing
host ldlibs so that -Wl,--no-undefined can be added again.

Test: m -j host
Bug: 32305815
Change-Id: I456098775ead2bddae3e61c7055b2bde3f6b38ff
diff --git a/tests/libs/Android.build.dt_runpath.mk b/tests/libs/Android.build.dt_runpath.mk
index 2a6d3b3..60844e5 100644
--- a/tests/libs/Android.build.dt_runpath.mk
+++ b/tests/libs/Android.build.dt_runpath.mk
@@ -67,6 +67,7 @@
 
 libtest_dt_runpath_d_shared_libraries := libtest_dt_runpath_b libtest_dt_runpath_c
 libtest_dt_runpath_d_ldflags := -Wl,--rpath,\$${ORIGIN}/dt_runpath_b_c_x -Wl,--enable-new-dtags
+libtest_dt_runpath_d_ldlibs := -ldl
 module := libtest_dt_runpath_d
 include $(LOCAL_PATH)/Android.build.testlib.mk
 
@@ -78,6 +79,7 @@
 
 libtest_dt_runpath_d_zip_shared_libraries := libtest_dt_runpath_b libtest_dt_runpath_c
 libtest_dt_runpath_d_zip_ldflags := -Wl,--rpath,\$${ORIGIN}/dt_runpath_b_c_x -Wl,--enable-new-dtags
+libtest_dt_runpath_d_zip_ldlibs := -ldl
 libtest_dt_runpath_d_zip_install_to_out_data_dir := $(module)
 
 module_tag := optional