ANDROID: GKI: move abi files to android/

It's good to move the abi files out of the root kernel directory, so
move them to android/ to make it obvious these are add-on things, not
anything that is upstream.

Bug: 155573384
Cc: Matthias Maennich <maennich@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I9f6c2269a1c4e8e4233971adc805cb7584d455f9

build.config.gki.aarch64

@@ -2,17 +2,17 @@
 . ${ROOT_DIR}/common/build.config.aarch64
 . ${ROOT_DIR}/common/build.config.gki
 
-ABI_DEFINITION=abi_gki_aarch64.xml
-KMI_WHITELIST=abi_gki_aarch64
+ABI_DEFINITION=android/abi_gki_aarch64.xml
+KMI_WHITELIST=android/abi_gki_aarch64
 ADDITIONAL_KMI_WHITELISTS="
-abi_gki_aarch64_cuttlefish
-abi_gki_aarch64_db845c
-abi_gki_aarch64_exynos
-abi_gki_aarch64_goldfish
-abi_gki_aarch64_hikey960
-abi_gki_aarch64_qcom
-abi_gki_aarch64_sunxi
-abi_gki_aarch64_unisoc
+android/abi_gki_aarch64_cuttlefish
+android/abi_gki_aarch64_db845c
+android/abi_gki_aarch64_exynos
+android/abi_gki_aarch64_goldfish
+android/abi_gki_aarch64_hikey960
+android/abi_gki_aarch64_qcom
+android/abi_gki_aarch64_sunxi
+android/abi_gki_aarch64_unisoc
 "
 TRIM_NONLISTED_KMI=1
 KMI_WHITELIST_STRICT_MODE=1