upgrade everything, devenv, flutter, gradle

devenv.nix

@@ -1,4 +1,4 @@
-{pkgs, ...}: {
+{ pkgs, ... }: {
   android = {
     enable = true;
     emulator.enable = false;
@@ -6,23 +6,25 @@
     flutter.package = pkgs.flutter;
 
     buildTools.version = [
-      # Put version to compile with first!
+      # Put the latest version to compile with first!
+      "36.0.0" # Android 16/17 target
       "35.0.0"
-      "33.0.1"
       "34.0.0"
     ];
+
     platforms.version = [
-      "36"
-      "35"
-      "34"
+      "37" # Android 17
+      "36" # Android 16
+      "35" # Android 15
     ];
+
     ndk.enable = true;
     ndk.version = [
-      "27.2.12479018"
-      "27.0.12077973"
-      "26.3.11579264"
-      "25.1.8937393"
+      "29.0.14206865" # NDK r29 (Latest Stable)
+      "27.3.13750724" # NDK r27d (Latest LTS)
+      "27.2.12479018" # Kept for backward compatibility
     ];
+
     extraLicenses = [
       "android-googlexr-license"
       "android-sdk-preview-license"