Update Gradle & Kotlin & PlatformSDK

- Update Kotlin version to 1.7.0
- Update Gradle dependencies
- Merge legacy code

demo-app/build.gradle

@@ -15,12 +15,12 @@ android {
         }
     }
 
-    compileSdk 31
+    compileSdk 32
 
     defaultConfig {
         applicationId "com.highcapable.yukihookapi.demo_app"
-        minSdk 22
-        targetSdk 31
+        minSdk 21
+        targetSdk 32
         versionCode 1
         versionName "1.0"
 
@@ -47,9 +47,9 @@ android {
 }
 
 dependencies {
-    implementation 'androidx.core:core-ktx:1.7.0'
-    implementation 'androidx.appcompat:appcompat:1.4.1'
-    implementation 'com.google.android.material:material:1.6.0'
+    implementation 'androidx.core:core-ktx:1.8.0'
+    implementation 'androidx.appcompat:appcompat:1.4.2'
+    implementation 'com.google.android.material:material:1.6.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'