Shell quoting in move_widevine_data.sh

Add double quotes to prevent globbing and word splitting.

Bug: crbug.com/1168550
Test: Create /data/mediadrm files and observe they are moved
Change-Id: I8d1cd70971588f903657825ea6e10c019954f403
(cherry picked from commit 8649f7a952b7e4f8edd17edfca0b0962e2fb2662)
(cherry picked from commit 84d0d73be5)

libwvdrmengine/move_widevine_data.sh

@@ -9,8 +9,8 @@ if [ ! -f "$FILES_MOVED" ]; then
   for i in "$SRC_PATH/IDM"*; do
     dest_path=$DEST_PATH/"${i#$SRC_PATH/}"
     if [ -d "$i" ]; then
-      mkdir -p $dest_path -m 700
-      mv $i "$DEST_PATH"
+      mkdir -p "$dest_path" -m 700
+      mv "$i" "$DEST_PATH"
       for file in ${dest_path}/${L3_FILE_PATTERN}; do
         [ -e "${file}" ] || continue
         # We need to move any L3 files in the IDM folder to the L3 subfolder.
@@ -18,7 +18,7 @@ if [ ! -f "$FILES_MOVED" ]; then
         mkdir -p "${l3_dir}" -m 700
         mv "${file}" "${l3_dir}"
       done
-      find $dest_path -print0 | while IFS= read -r -d '' file
+      find "$dest_path" -print0 | while IFS= read -r -d '' file
         do
           chgrp media "$file"
         done