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/io/File.cpp b/tools/aapt2/io/File.cpp
index b4f1ff3..4dfdb5b 100644
--- a/tools/aapt2/io/File.cpp
+++ b/tools/aapt2/io/File.cpp
@@ -39,7 +39,7 @@
   return {};
 }
 
-std::unique_ptr<io::InputStream> FileSegment::OpenInputStream() {
+std::unique_ptr<android::InputStream> FileSegment::OpenInputStream() {
   return OpenAsData();
 }