[general] moving ios and android project under ./platform folder

platform/android/MapboxGLAndroidSDK/src/cpp/android_renderer_backend.hpp

@@ -0,0 +1,43 @@
+#pragma once
+
+#include <mbgl/gfx/renderable.hpp>
+#include <mbgl/gl/renderer_backend.hpp>
+
+namespace mbgl {
+namespace android {
+
+class AndroidRendererBackend : public gl::RendererBackend, public mbgl::gfx::Renderable {
+public:
+    AndroidRendererBackend();
+    ~AndroidRendererBackend() override;
+
+    void updateViewPort();
+
+    // Ensures the current context is not cleaned up when destroyed
+    void markContextLost();
+
+    void resizeFramebuffer(int width, int height);
+    PremultipliedImage readFramebuffer();
+
+    // mbgl::gfx::RendererBackend implementation
+public:
+    mbgl::gfx::Renderable& getDefaultRenderable() override {
+        return *this;
+    }
+
+protected:
+    void activate() override {
+        // no-op
+    }
+    void deactivate() override {
+        // no-op
+    }
+
+    // mbgl::gl::RendererBackend implementation
+protected:
+    mbgl::gl::ProcAddress getExtensionFunctionPointer(const char*) override;
+    void updateAssumedState() override;
+};
+
+} // namespace android
+} // namespace mbgl