adb: fix 64-bit build

strlen returns a size_t, but the * modifier in printf expects an int.
On arm64 size_t != int.

(cherry-picked from commit 2328beaf1ddf74161fc083a09512a28d26c244cd)

Change-Id: I11e84a7b62c935162abc0aba910d14e63d11efd3
1 file changed