[buildsystem] (build.gradle): add gradle file

build.gradle

@@ -0,0 +1,37 @@
+apply plugin: 'com.android.library'
+
+android {
+    namespace 'top.mobilegl.mobilegl'
+    compileSdk 34
+
+    defaultConfig {
+        minSdk 26
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        ndkVersion '27.2.12479018'
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+        }
+        proguard {
+            minifyEnabled true
+            initWith debug
+        }
+        fordebug {
+            debuggable true
+        }
+    }
+    externalNativeBuild {
+        cmake {
+            path "CMakeLists.txt"
+            version "3.22.1"
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    ndkVersion '26.1.10909125'
+}