Merge "Use GL_OES_EGL_image_external_essl3 in kExternalRgbaTextureFragmentShader" into main

    })";

constexpr char kExternalRgbaTextureFragmentShader[] = R"(#version 300 es

    #extension GL_OES_EGL_image_external : require

    #extension GL_OES_EGL_image_external_essl3 : require

    #extension GL_EXT_YUV_target : require

    precision mediump float;

    in vec2 vTextureCoord;