fix/clean these Android.mk following dbort and joeo's comments
diff --git a/opengl/libs/EGL/Loader.cpp b/opengl/libs/EGL/Loader.cpp
index 0e0f2c2..103522e 100644
--- a/opengl/libs/EGL/Loader.cpp
+++ b/opengl/libs/EGL/Loader.cpp
@@ -165,7 +165,7 @@
     }
 
     LOG_FATAL_IF(!index && !impl && !hnd, 
-            "couldn't't find the default OpenGL ES implementation "
+            "couldn't find the default OpenGL ES implementation "
             "for default display");
     
     return (void*)hnd;
@@ -226,9 +226,7 @@
 {
     //LOGD("%s", driver);
     void* dso = dlopen(driver, RTLD_NOW | RTLD_LOCAL);
-    LOGE_IF(!dso,
-            "couldn't load <%s> library (%s)",
-            driver, dlerror());
+    LOGE_IF(!dso, "%s", dlerror());
     if (dso == 0)
         return 0;