fix [2147737] Pixel Flinger needs to set EGL_RENDERABLE_TYPE to EGL_OPENGL_ES_BIT

Also set max swap interval to 1, which is the only supported value currently.
diff --git a/opengl/libagl/egl.cpp b/opengl/libagl/egl.cpp
index 9c0f7fd..37628b7 100644
--- a/opengl/libagl/egl.cpp
+++ b/opengl/libagl/egl.cpp
@@ -952,7 +952,8 @@
         { EGL_BIND_TO_TEXTURE_RGBA,       EGL_FALSE                         },
         { EGL_BIND_TO_TEXTURE_RGB,        EGL_FALSE                         },
         { EGL_MIN_SWAP_INTERVAL,          1                                 },
-        { EGL_MAX_SWAP_INTERVAL,          4                                 },
+        { EGL_MAX_SWAP_INTERVAL,          1                                 },
+        { EGL_RENDERABLE_TYPE,            EGL_OPENGL_ES_BIT                 },
 };
 
 // These configs can override the base attribute list