leo: update leoupdate

Change the script to include the main ramdisk that is created by the compilation, unless if someone has their own initrd.gz in the repo, it will ignore it

Change-Id: I8847c0890124d64e1de98f02f39f38f3a3062c43

tools/leoupdate

@@ -22,6 +22,9 @@ cd "$LOC"/temp
 rm -rf "$LOC"/temp/boot.img
 rm -rf "$LOC"/temp/boot
 cp -a "$LOC"/boot "$LOC"/temp/boot
+if [[ ! -e "$LOC"/temp/boot/initrd.gz ]] ; then
+  cp -a "$LOC"/ramdisk.img "$LOC"/temp/boot/initrd.gz
+fi
 rm -rf "$LOC"/$TARGET_PRODUCT-ota-$TARGET_BUILD_VARIANT.$USER.zip
 zip -9yr "$LOC"/$TARGET_PRODUCT-ota-$TARGET_BUILD_VARIANT.$USER.zip * > /dev/null
 cd "$LOC"