Android: use java v17 as source and target version

Author: Totto16

platforms/android/app/build.gradle

@@ -199,7 +199,18 @@ String versionString = getVersion()
 System.out.printf("DEBUG: Using abis: %s%n", abisToUse.join(", "))
 System.out.printf("DEBUG: Using version: %s%n", versionString)
 
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(17)
+    }
+}
+
 android {
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
+    }
+
     compileSdk 34
     ndkVersion "26.3.11579264"
     defaultConfig {