Build fixes/updates

* Remove deprecation from build.gradle, settings.gradle

* Update to C++ 20

* Update GIT_TAG for adrenotools

src/KenjinxAndroid/app/build.gradle

@@ -4,21 +4,17 @@ plugins {
 }
 
 android {
-    namespace 'org.kenjinx.android'
+    namespace = 'org.kenjinx.android'
     compileSdk 36
 
     defaultConfig {
         applicationId "org.kenjinx.android"
         minSdk 29
-        //noinspection EditedTargetSdkVersion
         targetSdk 36
         versionCode 20005
         versionName '2.0.5'
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-        vectorDrawables {
-            useSupportLibrary true
-        }
 
         ndk {
             //noinspection ChromeOsAbiSupport
@@ -27,10 +23,11 @@ android {
 
         externalNativeBuild {
             cmake {
-                cppFlags "-std=c++17 -O3 -ffast-math -march=armv8-a -funroll-loops"
+                cppFlags "-std=c++20 -O3 -fno-math-errno -fno-trapping-math -fno-signed-zeros -ffinite-math-only -march=armv8-a"
                 arguments "-DANDROID_STL=c++_shared",
                     "-DCMAKE_BUILD_TYPE=Release",
-                    "-DANDROID_ARM_NEON=TRUE"
+                    "-DANDROID_ARM_NEON=TRUE",
+                    "-DANDROID_SUPPORT_FLEXIBLE_PAGE_SIZES=ON"
             }
         }
     }
@@ -39,25 +36,29 @@ android {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
-            signingConfig signingConfigs.debug
+            signingConfig = signingConfigs.debug
             debuggable false
             jniDebuggable false
         }
     }
+
     androidComponents {
         onVariants(selector().withBuildType("release")) {
             packaging.dex.useLegacyPackaging.set(true)
         }
     }
+
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_21
         targetCompatibility JavaVersion.VERSION_21
     }
+
     buildFeatures {
-        compose true
-        prefab true
-        buildConfig true
+        compose = true
+        prefab = true
+        buildConfig = true
     }
+
     packagingOptions {
         jniLibs {
             keepDebugSymbols += '**/libkenjinx.so'
@@ -67,9 +68,11 @@ android {
             excludes += '/META-INF/{AL2.0,LGPL2.1}'
         }
     }
+
     externalNativeBuild {
         cmake {
             path file('src/main/cpp/CMakeLists.txt')
+            version = '4.2.3'
         }
     }
 
@@ -112,7 +115,7 @@ dependencies {
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.10.2'
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.2'
     implementation platform('androidx.compose:compose-bom:2026.01.01')
-    implementation platform('org.jetbrains.kotlin:kotlin-bom:1.9.25')
+    implementation platform('org.jetbrains.kotlin:kotlin-bom:2.3.0')
     androidTestImplementation 'androidx.compose.ui:ui-test-junit4'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.7.0'
     androidTestImplementation 'androidx.test.ext:junit:1.3.0'