ANDROID: ABI: Update allowed list for EXYNOS

Update the android/abi_gki_aarch64_exynos with recent symbol additions.

Note, no new symbols are needed to be exported here, making this a
simple change and no need to update the .xml file.

Bug: 168666574
Signed-off-by: Jaehyoung Choi <jkkkkk.choi@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ibe92486f6f84163990b65c75be96236f76f8af1e