Fix Python package name.

We're naming the Python package using the host tag. The install dir
just happens to be the host tag right now.

Change-Id: Ib52821d5966aa4b7488cf772947520706e3745f8
diff --git a/build-python.sh b/build-python.sh
index 135b2e1..67beddc 100755
--- a/build-python.sh
+++ b/build-python.sh
@@ -441,7 +441,7 @@
     local SRCDIR="$(python_ndk_install_dir $1 $2)"
     # This is similar to BLDDIR=${BLDDIR%%$SRCDIR} (and requires we use windows and not windows-x86)
     BLDDIR=$(echo "$BLDDIR" | sed "s/$(echo "$SRCDIR" | sed -e 's/\\/\\\\/g' -e 's/\//\\\//g' -e 's/&/\\\&/g')//g")
-    local PACKAGENAME=ndk-python-$(install_dir_from_host_tag $1).tar.bz2
+    local PACKAGENAME=ndk-python-$1.tar.bz2
     local PACKAGE="$PACKAGE_DIR/$PACKAGENAME"
 
     dump "$(bh_host_text) $PACKAGENAME: Packaging"