ANDROID: ABI out: Use the extension .xml rather then .out

Bug: 133501930
Change-Id: I7ddae7a56593389b0ab13ff765d4e7329ecf5f8d
Signed-off-by: Matthias Maennich <maennich@google.com>
diff --git a/build.config.gki.aarch64 b/build.config.gki.aarch64
index 964c05b..408a2d1 100644
--- a/build.config.gki.aarch64
+++ b/build.config.gki.aarch64
@@ -15,4 +15,4 @@
 System.map
 "
 STOP_SHIP_TRACEPRINTK=1
-ABI_DEFINITION=abi_gki_aarch64.out
+ABI_DEFINITION=abi_gki_aarch64.xml