Revert^2 "Move some image/9patch code to androidfw"

This reverts commit 917043bc2586743afda5a21386893fa8c787800b.

Reason for revert: Roll forward with fix

Test: Automatic
Bug: 296324826
Change-Id: I42a0b48c02fd497b2174c0c65f300265202f7ab1
diff --git a/tools/aapt2/test/Common.h b/tools/aapt2/test/Common.h
index e48668c..0437980 100644
--- a/tools/aapt2/test/Common.h
+++ b/tools/aapt2/test/Common.h
@@ -90,7 +90,7 @@
     return {};
   }
 
-  std::unique_ptr<io::InputStream> OpenInputStream() override {
+  std::unique_ptr<android::InputStream> OpenInputStream() override {
     return OpenAsData();
   }
 
diff --git a/tools/aapt2/test/Fixture.cpp b/tools/aapt2/test/Fixture.cpp
index 428372f..b91abe5 100644
--- a/tools/aapt2/test/Fixture.cpp
+++ b/tools/aapt2/test/Fixture.cpp
@@ -20,6 +20,7 @@
 #include <android-base/file.h>
 #include <android-base/stringprintf.h>
 #include <android-base/utf8.h>
+#include <androidfw/FileStream.h>
 #include <androidfw/StringPiece.h>
 #include <dirent.h>
 #include <gmock/gmock.h>
@@ -28,7 +29,6 @@
 #include "Diagnostics.h"
 #include "cmd/Compile.h"
 #include "cmd/Link.h"
-#include "io/FileStream.h"
 #include "util/Files.h"
 
 using testing::Eq;