libandroidfw: move ConfigDescription from aapt2 to libandroidfw

This is to allow idmap2 to access ConfigDescription.

Test: libandroidfw_tests
Test: aapt2_tests
Change-Id: I54210bbbd8dad5903cb7100807df977efa394ad5
diff --git a/tools/aapt2/ResourceTable.cpp b/tools/aapt2/ResourceTable.cpp
index 23322ab..056a27b 100644
--- a/tools/aapt2/ResourceTable.cpp
+++ b/tools/aapt2/ResourceTable.cpp
@@ -23,9 +23,9 @@
 
 #include "android-base/logging.h"
 #include "android-base/stringprintf.h"
+#include "androidfw/ConfigDescription.h"
 #include "androidfw/ResourceTypes.h"
 
-#include "ConfigDescription.h"
 #include "Debug.h"
 #include "NameMangler.h"
 #include "ResourceValues.h"
@@ -34,6 +34,7 @@
 #include "util/Util.h"
 
 using ::aapt::text::IsValidResourceEntryName;
+using ::android::ConfigDescription;
 using ::android::StringPiece;
 using ::android::base::StringPrintf;