Use GL_OES_EGL_image_external_essl3 in kExternalRgbaTextureFragmentShader

GL_OES_EGL_image_external support for GLSL 3 is undefined.

Bug: 342086203
Test: atest virtual_camera_tests
Change-Id: Id1d68508b366a2f9e368a1ce6fd0f2591e4fed88
1 file changed