First pass at reworking screen density/size APIs.

This changes the names of the directories in aapt, to what you see
in the list of DpiTest resources.  Also adds a new "long" configuration
for wide screens, which the platform sets appropriate, and introduces
a new kind of resizeability for not large but significantly larger
than normal screens which may have compatibility issues.
diff --git a/core/jni/android_util_AssetManager.cpp b/core/jni/android_util_AssetManager.cpp
index 2d90ba4..59f4067 100644
--- a/core/jni/android_util_AssetManager.cpp
+++ b/core/jni/android_util_AssetManager.cpp
@@ -553,7 +553,7 @@
     config.touchscreen = (uint8_t)touchscreen;
     config.density = (uint16_t)density;
     config.keyboard = (uint8_t)keyboard;
-    config.inputFlags = (uint8_t)keyboardHidden<<ResTable_config::SHIFT_KEYSHIDDEN;
+    config.inputFlags = (uint8_t)keyboardHidden;
     config.navigation = (uint8_t)navigation;
     config.screenWidth = (uint16_t)screenWidth;
     config.screenHeight = (uint16_t)screenHeight;