api-impl: add misc stubs/impls

src/api-impl/android/view/WindowInsets.java

@@ -15,4 +15,48 @@ public class WindowInsets {
 	public WindowInsets consumeSystemWindowInsets() {
 		return this;
 	}
+
+	public WindowInsets replaceSystemWindowInsets(int left, int top, int right, int bottom) {
+		return this;
+	}
+
+	public int getSystemWindowInsetLeft() {
+		return 0;
+	}
+
+	public int getSystemWindowInsetTop() {
+		return 0;
+	}
+
+	public int getSystemWindowInsetRight() {
+		return 0;
+	}
+
+	public int getSystemWindowInsetBottom() {
+		return 0;
+	}
+
+	public int getStableInsetLeft() {
+		return 0;
+	}
+
+	public int getStableInsetTop() {
+		return 0;
+	}
+
+	public int getStableInsetRight() {
+		return 0;
+	}
+
+	public int getStableInsetBottom() {
+		return 0;
+	}
+
+	public boolean isRound() {
+		return false;
+	}
+
+	public boolean isConsumed() {
+		return false;
+	}
 }