AAPT2: Port AAPT pseudolocalization to AAPT2

Pseudolocalization happens at the compile phase. Pseudolocalized
values are weak, such that manually specified values will take precedence.

Change-Id: I5e064ce0d270c9f4f9022f75aecedab9d45bc980
diff --git a/tools/aapt2/test/Builders.h b/tools/aapt2/test/Builders.h
index f8e3d03..93a11b9 100644
--- a/tools/aapt2/test/Builders.h
+++ b/tools/aapt2/test/Builders.h
@@ -68,6 +68,12 @@
         return addValue(name, id, util::make_unique<String>(mTable->stringPool.makeRef(str)));
     }
 
+    ResourceTableBuilder& addString(const StringPiece16& name, const ResourceId id,
+                                    const ConfigDescription& config, const StringPiece16& str) {
+        return addValue(name, id, config,
+                        util::make_unique<String>(mTable->stringPool.makeRef(str)));
+    }
+
     ResourceTableBuilder& addFileReference(const StringPiece16& name, const StringPiece16& path) {
         return addFileReference(name, {}, path);
     }