android: 统一APP工程骨架 + 官方渲染管线Kotlin移植(与C参考逐字节一致)

android/app/src/main/kotlin/com/mag160c/thermal/MainActivity.kt

@@ -0,0 +1,21 @@
+package com.mag160c.thermal
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent { App() }
+    }
+}
+
+@Composable
+private fun App() {
+    Text("MAG160C build check")
+}