build, ensure release file is only arm64-v8a.

android/app/build.gradle.kts

@@ -58,6 +58,10 @@ android {
                 "proguard-rules.pro",
                 "flutter_proguard_rules.pro"
             )
+            ndk {
+                //noinspection ChromeOsAbiSupport
+                abiFilters += listOf("arm64-v8a")
+            }
 
             /// 20260928 - With minifying, helped some, but also used
             /// in combination with `--obfuscate --split-debug-info=./debug-info/`