ANDROID: fix i386 build break

Fix declaration issue found by 0-day bot.

Fixes: ab2d60d9 ("ANDROID: vendor_hooks: Add vendor hooks for key combination")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Todd Kjos <tkjos@google.com>
Change-Id: I2728fc009489a764b617e6c87ac52db37f6ce016