Pipe display install orientation 1/2

This is a step to move the layout logic to the client side. We won't
invoke IWindowSession#relayout then, and the client should be able to
set the transform hint on its own.

Bug: 161810301
Test: presubmit
Change-Id: I541b70fb921e22ab46ccb22391b8ca65eeb3d1a4
diff --git a/libs/ui/StaticDisplayInfo.cpp b/libs/ui/StaticDisplayInfo.cpp
index b66b281..03d15e4 100644
--- a/libs/ui/StaticDisplayInfo.cpp
+++ b/libs/ui/StaticDisplayInfo.cpp
@@ -29,7 +29,8 @@
     return FlattenableHelpers::getFlattenedSize(connectionType) +
             FlattenableHelpers::getFlattenedSize(density) +
             FlattenableHelpers::getFlattenedSize(secure) +
-            FlattenableHelpers::getFlattenedSize(deviceProductInfo);
+            FlattenableHelpers::getFlattenedSize(deviceProductInfo) +
+            FlattenableHelpers::getFlattenedSize(installOrientation);
 }
 
 status_t StaticDisplayInfo::flatten(void* buffer, size_t size) const {
@@ -40,6 +41,7 @@
     RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, density));
     RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, secure));
     RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, deviceProductInfo));
+    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, installOrientation));
     return OK;
 }
 
@@ -48,6 +50,7 @@
     RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &density));
     RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &secure));
     RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &deviceProductInfo));
+    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &installOrientation));
     return OK;
 }