Add a script to unpack build .zip files

Change-Id: Icf62c34e2f9b0a99a95496281ce2fd190681f2cf
(cherry picked from commit 4a6e422edb37da5fbd3bf41db10853c9b0c565d4)
diff --git a/deploy/install_zip.sh b/deploy/install_zip.sh
new file mode 100755
index 0000000..bd5e1dd
--- /dev/null
+++ b/deploy/install_zip.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# Installs an Android zip file to a directory
+
+usage() {
+  echo cat build.zip \| $0 "\${dir}"
+  echo or
+  echo $0 build-zip "\${dir}"
+}
+
+case $# in
+  1)
+    mkdir -p "$1"
+    bsdtar -x -C "$1" -f -
+    unpack_boot_image.py --boot_img "$1/boot.img" --dest "$1"
+    ;;
+  2)
+    mkdir -p "$2"
+    bsdtar -x -C "$2" -f "$1"
+    unpack_boot_image.py --boot_img "$2/boot.img" --dest "$2"
+    ;;
+  *)
+    usage
+    exit 2
+    ;;
+esac