Move DownloadProviderUi from core_minimal to core.mk

Move DownloadProviderUi from core_minimal to core.mk. This UI requires
DocumentsUi so it doesn't make sense to ship it on devices which are only
using core_minimal.

Change-Id: Id8a4f2a9835a05e9281596dbd5ca7b8e76062cd4
diff --git a/target/product/core.mk b/target/product/core.mk
index 910dade..c5ef2aa 100644
--- a/target/product/core.mk
+++ b/target/product/core.mk
@@ -24,6 +24,7 @@
     Browser \
     Contacts \
     DocumentsUI \
+    DownloadProviderUi \
     ExternalStorageProvider \
     KeyChain \
     PicoTts \
diff --git a/target/product/core_minimal.mk b/target/product/core_minimal.mk
index 02cc815..fc2fc80 100644
--- a/target/product/core_minimal.mk
+++ b/target/product/core_minimal.mk
@@ -25,7 +25,6 @@
 PRODUCT_PACKAGES += \
     BackupRestoreConfirmation \
     DownloadProvider \
-    DownloadProviderUi \
     HTMLViewer \
     MediaProvider \
     PackageInstaller \