aosp-merge.sh: use fetch --tags

Change-Id: I82a21d8f89911dd4dd3fb6787c6607374c653ea6
1 file changed
tree: 82185d0179eed0011fc56a48c232b38597d3f8ca
  1. config/
  2. overlay/
  3. prebuilt/
  4. sepolicy/
  5. utils/
  6. Android.mk