- Exclude EGL code from OpenGL ES driver files. This is first step for improve Android device support.

WARNING: This commit is pushed out only for development reason. It may break temporary devices other than Android. Android device improve process will be completed in next 1-3 commits.

git-svn-id: http://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@4588 dfc29bdd-3216-0410-991c-e03cc46cb475
- Clean-up Android device source file.
- Improved multi-touch support on Android.
- Fixed problem with context lost on Android when application was resumed.

git-svn-id: http://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@4590 dfc29bdd-3216-0410-991c-e03cc46cb475