ui: Deduplicate rotation types

Introduce ui::Rotation, replacing ISurfaceComposer::Rotation as well as
DISPLAY_ORIENTATION_* and DisplayState::eOrientation* constants.

libinput has widespread use of int32_t for orientation, so move
DISPLAY_ORIENTATION_* to input/DisplayViewport.h for now.

Bug: 144601064
Test: go/wm-smoke
Test: screencap
Change-Id: Ic4b8494e37c9d79c00d5b4be5eb88585f09efebf
diff --git a/services/surfaceflinger/tests/Credentials_test.cpp b/services/surfaceflinger/tests/Credentials_test.cpp
index b1bb7fd..f618873 100644
--- a/services/surfaceflinger/tests/Credentials_test.cpp
+++ b/services/surfaceflinger/tests/Credentials_test.cpp
@@ -23,7 +23,6 @@
 namespace {
 const String8 DISPLAY_NAME("Credentials Display Test");
 const String8 SURFACE_NAME("Test Surface Name");
-const uint32_t ROTATION = 0;
 const float FRAME_SCALE = 1.0f;
 } // namespace
 
@@ -262,7 +261,7 @@
         sp<GraphicBuffer> outBuffer;
         return ScreenshotClient::capture(display, ui::Dataspace::V0_SRGB,
                                          ui::PixelFormat::RGBA_8888, Rect(), 0 /*reqWidth*/,
-                                         0 /*reqHeight*/, false, ROTATION, &outBuffer);
+                                         0 /*reqHeight*/, false, ui::ROTATION_0, &outBuffer);
     };
     ASSERT_NO_FATAL_FAILURE(checkWithPrivileges<status_t>(condition, NO_ERROR, PERMISSION_DENIED));
 }
diff --git a/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp b/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp
index 627de7a..92698f0 100644
--- a/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp
+++ b/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp
@@ -189,12 +189,12 @@
 }
 
 TEST_P(LayerRenderTypeTransactionTest, CreateLayer_BufferState) {
-    uint32_t transformHint = ui::Transform::orientation_flags::ROT_INVALID;
+    uint32_t transformHint = ui::Transform::ROT_INVALID;
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32,
                                                 ISurfaceComposerClient::eFXSurfaceBufferState,
                                                 /*parent*/ nullptr, &transformHint));
-    ASSERT_NE(ui::Transform::orientation_flags::ROT_INVALID, transformHint);
+    ASSERT_NE(ui::Transform::ROT_INVALID, transformHint);
 }
 
 void LayerRenderTypeTransactionTest::setRelativeZBasicHelper(uint32_t layerType) {
diff --git a/services/surfaceflinger/tests/LayerTransaction_test.cpp b/services/surfaceflinger/tests/LayerTransaction_test.cpp
index 35c51e1..7816c66 100644
--- a/services/surfaceflinger/tests/LayerTransaction_test.cpp
+++ b/services/surfaceflinger/tests/LayerTransaction_test.cpp
@@ -53,7 +53,7 @@
     ASSERT_EQ(NO_ERROR,
               composer->captureScreen(mDisplay, &outBuffer, outCapturedSecureLayers,
                                       ui::Dataspace::V0_SRGB, ui::PixelFormat::RGBA_8888, Rect(), 0,
-                                      0, false, ISurfaceComposer::eRotateNone, true));
+                                      0, false, ui::ROTATION_0, true));
     ASSERT_EQ(true, outCapturedSecureLayers);
     ScreenCapture sc(outBuffer);
     sc.expectColor(Rect(0, 0, 32, 32), Color::RED);
diff --git a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
index 76e8171..55c3ab8 100644
--- a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
@@ -2040,8 +2040,8 @@
 TEST_F(HandleTransactionLockedTest, processesDisplayTransformChanges) {
     using Case = NonHwcVirtualDisplayCase;
 
-    constexpr int oldTransform = 0;
-    constexpr int newTransform = 2;
+    constexpr ui::Rotation oldTransform = ui::ROTATION_0;
+    constexpr ui::Rotation newTransform = ui::ROTATION_180;
 
     // --------------------------------------------------------------------
     // Preconditions
@@ -2414,7 +2414,7 @@
 
 TEST_F(DisplayTransactionTest, setDisplayStateLockedDoesNothingIfProjectionDidNotChange) {
     using Case = SimplePrimaryDisplayCase;
-    constexpr int initialOrientation = 180;
+    constexpr ui::Rotation initialOrientation = ui::ROTATION_180;
     const Rect initialFrame = {1, 2, 3, 4};
     const Rect initialViewport = {5, 6, 7, 8};
 
@@ -2458,8 +2458,8 @@
 
 TEST_F(DisplayTransactionTest, setDisplayStateLockedRequestsUpdateIfOrientationChanged) {
     using Case = SimplePrimaryDisplayCase;
-    constexpr int initialOrientation = 90;
-    constexpr int desiredOrientation = 180;
+    constexpr ui::Rotation initialOrientation = ui::ROTATION_90;
+    constexpr ui::Rotation desiredOrientation = ui::ROTATION_180;
 
     // --------------------------------------------------------------------
     // Preconditions
@@ -2721,7 +2721,7 @@
     // The layer stack state should be set to zero
     EXPECT_EQ(0u, primaryDisplayState.layerStack);
     // The orientation state should be set to zero
-    EXPECT_EQ(0, primaryDisplayState.orientation);
+    EXPECT_EQ(ui::ROTATION_0, primaryDisplayState.orientation);
 
     // The frame state should be set to INVALID
     EXPECT_EQ(Rect::INVALID_RECT, primaryDisplayState.frame);
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index b5245e2..9728c80 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -371,7 +371,6 @@
      */
 
     auto& mutableHasWideColorDisplay() { return SurfaceFlinger::hasWideColorDisplay; }
-    auto& mutablePrimaryDisplayOrientation() { return SurfaceFlinger::primaryDisplayOrientation; }
     auto& mutableUseColorManagement() { return SurfaceFlinger::useColorManagement; }
 
     auto& mutableCurrentState() { return mFlinger->mCurrentState; }