Add missing sysctl bacports for very old kernels

Author: fatalcoder524

.github/actions/build-kernel/action.yml

@@ -1474,6 +1474,13 @@ runs:
           rm temp.patch
         fi
         
+        if [ "${{ env.ANDROID_VER }}" = "android12" ] && [ "${{ env.KERNEL_VER }}" = "5.10" ]; then
+          if ! grep -qF 'int proc_dou8vec_minmax(' ./include/linux/sysctl.h; then
+            curl -Ls https://raw.githubusercontent.com/fatalcoder524/kernel_patches_additional/refs/heads/main/bbr3/sysctl_add_proc_dou8vec_minmax.patch | patch -p1
+            curl -Ls https://raw.githubusercontent.com/fatalcoder524/kernel_patches_additional/refs/heads/main/bbr3/sysctl_fix_data-races_in_proc_dou8vec_minmax.patch | patch -p1
+          fi
+        fi
+        
         echo "✅ BBRv3 patches applied"
         echo "::endgroup::"