Revert "Change PointerController to display space"

Revert submission 16194643-pointer-controller-in-display-space

Reason for revert: b/206817973
Reverted Changes:
I764c070ad:Change PointerController to display space
I5e9e19c36:Change PointerController to display space

Change-Id: If6e96f41873dd9601f49fc9f9f514a95394f3c58
diff --git a/libs/input/Input.cpp b/libs/input/Input.cpp
index cb93c92..8974b22 100644
--- a/libs/input/Input.cpp
+++ b/libs/input/Input.cpp
@@ -60,6 +60,12 @@
     return atan2f(transformedPoint.x, -transformedPoint.y);
 }
 
+vec2 transformWithoutTranslation(const ui::Transform& transform, const vec2& xy) {
+    const vec2 transformedXy = transform.transform(xy);
+    const vec2 transformedOrigin = transform.transform(0, 0);
+    return transformedXy - transformedOrigin;
+}
+
 bool shouldDisregardTransformation(uint32_t source) {
     // Do not apply any transformations to axes from joysticks or touchpads.
     return isFromSource(source, AINPUT_SOURCE_CLASS_JOYSTICK) ||
@@ -114,12 +120,6 @@
 
 // --- InputEvent ---
 
-vec2 transformWithoutTranslation(const ui::Transform& transform, const vec2& xy) {
-    const vec2 transformedXy = transform.transform(xy);
-    const vec2 transformedOrigin = transform.transform(0, 0);
-    return transformedXy - transformedOrigin;
-}
-
 const char* inputEventTypeToString(int32_t type) {
     switch (type) {
         case AINPUT_EVENT_TYPE_KEY: {