Add @UnsupportedAppUsage annotations for max-p.

See go/UnsupportedAppUsage for more details.

These have already been greylisted, however due to bugs/omissions in the tooling have been kept in go/greylist-txt instead of being annotated in the code.

Exempted-From-Owner-Approval: Mechanical changes to the codebase
which have been approved by Android API council and announced on
android-eng@

Bug: 137350495
Test: m
Change-Id: I5aa29a49b193db47aaee4d3a756c17f48cc9f0b1
diff --git a/core/java/com/android/internal/view/BaseIWindow.java b/core/java/com/android/internal/view/BaseIWindow.java
index dfd6f95..cc468f4 100644
--- a/core/java/com/android/internal/view/BaseIWindow.java
+++ b/core/java/com/android/internal/view/BaseIWindow.java
@@ -33,7 +33,13 @@
 
 import com.android.internal.os.IResultReceiver;
 
+import dalvik.annotation.compat.UnsupportedAppUsage;
+
 public class BaseIWindow extends IWindow.Stub {
+
+    @UnsupportedAppUsage(maxTargetSdk = android.os.Build.VERSION_CODES.P)
+    public BaseIWindow() {}
+
     private IWindowSession mSession;
     public int mSeq;