Add external/lz4 to match internal manifest.

external/lz4 was added to the internal manifest but not the external one.

Bug: 26218766
TEST=repo sync; `make` on a board with squashfs enabled.

Change-Id: Iec9716b41794164f09f9a069425f367d1e4b77b1
1 file changed
tree: 0bcacc8dcf525a5b41f2735a7555dea47e92ddde
  1. default.xml