Fix java language level error

PiperOrigin-RevId: 725732479
Change-Id: Ib89ab5e55d0487c9b5456d2dfb38a867703e3593

Author: ted-xie

src/tools/java/com/google/devtools/build/android/sandboxedsdktoolbox/info/SdkInfo.java

@@ -104,8 +104,10 @@ public Optional<String> getCompatSdkProviderClassName() {
   }
 
   @Override
+  @SuppressWarnings("PatternMatchingInstanceof")
   public boolean equals(Object object) {
-    if (object instanceof SdkInfo that) {
+    if (object instanceof SdkInfo) {
+      SdkInfo that = (SdkInfo) object;
       return this.packageName.equals(that.packageName)
           && this.version.equals(that.version)
           && this.certificateDigest.equals(that.certificateDigest)