ANDROID: GKI: module.h: add Android ABI padding to some structures

Try to mitigate potential future driver core api changes by adding a
padding to struct module.

Based on a patch from Michal Marek <mmarek@suse.cz> from the SLES kernel

Bug: 151154716
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I2a764e9eac88f20e50d192112235da6d2f0f83bc