Update install-and-build-with-sdk.sh to set second env var

Author: finagolfin

.github/workflows/scripts/install-and-build-with-sdk.sh

@@ -814,10 +814,9 @@ build() {
         local sdk_name="${ANDROID_SDK_TAG}_android"
 
         alias swift='$SWIFT_EXECUTABLE_FOR_ANDROID_SDK'
-    
+        ANDROID_NDK_ROOT="${ANDROID_NDK_HOME}"
         log "Using NDK at $ANDROID_NDK_HOME"
-        
-        echo "ANDROID_NDK_HOME=${ANDROID_NDK_HOME}" >> $GITHUB_ENV
+    
         # This can become a single invocation in the future when `swift build` supports multiple Android triples at once
         for android_sdk_triple in "${ANDROID_SDK_TRIPLES[@]}" ; do
             if [[ "$SWIFT_VERSION_INPUT" == "6.3" || "$SWIFT_VERSION_INPUT" == "nightly-6.3" ]]; then
@@ -834,7 +833,7 @@ build() {
             local _swift_bin_dir
             _swift_bin_dir="$(dirname "$SWIFT_EXECUTABLE_FOR_ANDROID_SDK")"
             export PATH="$_swift_bin_dir:$PATH"
-            
+
             if eval "$build_command -v"; then
                 log "✅ Swift build with Android Swift SDK completed successfully"
             else