Add libprocinfo to Golem target builds, needed by heapprofd_client_api.

The other two shared lib dependencies it has, libbase.so and
libunwindstack.so, are already covered.

Test: art/tools/golem/build-target.sh --golem=art-jit \
        --machine-type=android-armv8
      find out/x86_64/target/product/armv8/ -name libprocinfo.so
Bug: 179915934
Change-Id: I45b84b303db6a627d14b48745063f98847c44d36
diff --git a/Android.mk b/Android.mk
index b26468d..3786c33 100644
--- a/Android.mk
+++ b/Android.mk
@@ -699,6 +699,7 @@
                         $(ART_TARGET_SHARED_LIBRARY_PALETTE_DEPENDENCIES) \
                         $(TARGET_OUT_SHARED_LIBRARIES)/libz.so \
                         $(TARGET_OUT_SHARED_LIBRARIES)/liblz4.so \
+                        $(TARGET_OUT_SHARED_LIBRARIES)/libprocinfo.so \
                         heapprofd_client_api \
                         libartpalette-system \
                         standalone-apex-files