Implement getPlatformDisplay with ANGLE support

Apps that care can request a specific ANGLE backend.
That would allow them to choose the native GL backend if
that was preferred (if available.)
Test: TODO

Bug: 80239516
Change-Id: I7bfdf7094749f15f8436c266d12c1191994e27ac
diff --git a/opengl/libs/platform_entries.in b/opengl/libs/platform_entries.in
index 6f087fd..95fa32d 100644
--- a/opengl/libs/platform_entries.in
+++ b/opengl/libs/platform_entries.in
@@ -1,4 +1,5 @@
 EGL_ENTRY(EGLDisplay, eglGetDisplay, EGLNativeDisplayType)
+EGL_ENTRY(EGLDisplay, eglGetPlatformDisplay, EGLenum, EGLNativeDisplayType, const EGLAttrib*)
 EGL_ENTRY(EGLBoolean, eglInitialize, EGLDisplay, EGLint*, EGLint*)
 EGL_ENTRY(EGLBoolean, eglTerminate, EGLDisplay)
 EGL_ENTRY(EGLBoolean, eglGetConfigs, EGLDisplay, EGLConfig*, EGLint, EGLint*)