ANDROID: GKI: ZSMALLOC & ZRAM as modules for arm64

Enable zram and zsmalloc (dependency for zram) as
unprotected modules for aarch64. These are already
being used as modules by the vendor currently; so
needs to be unprotected.

Bug: 230519159
Test: TH
Signed-off-by: Ramji Jiyani <ramjiyani@google.com>
Change-Id: I7c617c1a24f6e083301cbed67d0d323388cbd622
(cherry picked from commit 0fe42343)