Move qt binding java code to a separate module

client/android/qt/build.gradle.kts

@@ -0,0 +1,25 @@
+plugins {
+    id(libs.plugins.android.library.get().pluginId)
+    id("property-delegate")
+}
+
+java {
+    toolchain.languageVersion.set(JavaLanguageVersion.of(17))
+}
+
+val qtAndroidDir: String by gradleProperties
+
+android {
+    namespace = "org.qtproject.qt.android.binding"
+
+    sourceSets {
+        getByName("main") {
+            java.setSrcDirs(listOf("$qtAndroidDir/src"))
+            res.setSrcDirs(listOf("$qtAndroidDir/res"))
+        }
+    }
+}
+
+dependencies {
+    implementation(fileTree(mapOf("dir" to "../libs", "include" to listOf("*.jar", "*.aar"))))
+}