fix abis in test-app when jsc engine is enabled

Author: ammarahm-ed

test-app/app/build.gradle

@@ -233,7 +233,13 @@ android {
         targetSdkVersion computeTargetSdkVersion()
         ndk {
             if (onlyX86) {
-                abiFilters 'x86'
+                // The updated JSC only ships 64-bit libraries, so fall back to
+                // x86_64 when a single-ABI (emulator) build is requested.
+                abiFilters ns_engine == "JSC" ? 'x86_64' : 'x86'
+            } else if (ns_engine == "JSC") {
+                // The newer JSC engine only provides arm64-v8a and x86_64
+                // prebuilts, so restrict the app to those two ABIs.
+                abiFilters 'x86_64', 'arm64-v8a'
             } else {
                 abiFilters 'x86', 'x86_64', 'armeabi-v7a', 'arm64-v8a'
             }