extract_utils: implement LOCAL_MODULE_RELATIVE_PATH

Change-Id: Ia97633652ff9647a6e82013b208097be5c5575a9

build/tools/extract_utils.sh

@@ -221,6 +221,7 @@ function write_packages() {
         ARGS=$(target_args "$P")
 
         BASENAME=$(basename "$FILE")
+        DIRNAME=$(dirname "$FILE")
         EXTENSION=${BASENAME##*.}
         PKGNAME=${BASENAME%.*}
 
@@ -301,6 +302,11 @@ function write_packages() {
         if [ ! -z "$EXTENSION" ]; then
             printf 'LOCAL_MODULE_SUFFIX := .%s\n' "$EXTENSION"
         fi
+        if [ "$CLASS" = "SHARED_LIBRARIES" ] || [ "$CLASS" = "EXECUTABLES" ]; then
+            if [ "$DIRNAME" != "." ]; then
+                printf 'LOCAL_MODULE_RELATIVE_PATH := %s\n' "$DIRNAME"
+            fi
+        fi
         if [ "$EXTRA" = "priv-app" ]; then
             printf 'LOCAL_PRIVILEGED_MODULE := true\n'
         fi