Support talkback with new Udfps Overlay on keyguard

Resizes talkback bounds for new udfps overlay on keyguard. Now only
highlights the sensor area instead of taking up the whole screen.

Bug: 270437012
Test: atest SystemUITests:com.android.systemui.biometrics
Change-Id: Iaa41ef0d7afe32f48a873924f83c1f36acf77361

packages/SystemUI/res/layout/udfps_keyguard_view_internal.xml

@@ -20,7 +20,8 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/udfps_animation_view_internal"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:contentDescription="@string/accessibility_fingerprint_label">
 
     <!-- Background protection -->
     <ImageView

packages/SystemUI/src/com/android/systemui/biometrics/AuthController.java

@@ -823,9 +823,9 @@ public class AuthController implements CoreStartable,  CommandQueue.Callbacks,
 
             final Rect overlayBounds = new Rect(
                     0, /* left */
-                    0, /* top */
+                    mCachedDisplayInfo.getNaturalHeight() / 2, /* top */
                     mCachedDisplayInfo.getNaturalWidth(), /* right */
-                    mCachedDisplayInfo.getNaturalHeight() /* botom */);
+                    mCachedDisplayInfo.getNaturalHeight() /* bottom */);
 
             mUdfpsOverlayParams = new UdfpsOverlayParams(
                     mUdfpsBounds,

packages/SystemUI/src/com/android/systemui/biometrics/UdfpsControllerOverlay.kt

@@ -364,7 +364,12 @@ class UdfpsControllerOverlay @JvmOverloads constructor(
                 if (accessibilityManager.isTouchExplorationEnabled && isEnrollment) {
                     Rect(overlayParams.sensorBounds)
                 } else {
-                    Rect(overlayParams.overlayBounds)
+                    Rect(
+                        0,
+                        0,
+                        overlayParams.naturalDisplayWidth,
+                        overlayParams.naturalDisplayHeight
+                    )
                 }
             } else {
                 Rect(overlayParams.sensorBounds)

packages/SystemUI/tests/src/com/android/systemui/biometrics/UdfpsControllerOverlayTest.kt

@@ -25,7 +25,6 @@ import android.hardware.biometrics.BiometricOverlayConstants.REASON_ENROLL_ENROL
 import android.hardware.biometrics.BiometricOverlayConstants.ShowReason
 import android.hardware.fingerprint.FingerprintManager
 import android.hardware.fingerprint.IUdfpsOverlayControllerCallback
-import androidx.test.ext.junit.runners.AndroidJUnit4
 import android.testing.TestableLooper.RunWithLooper
 import android.view.LayoutInflater
 import android.view.MotionEvent
@@ -35,6 +34,7 @@ import android.view.Surface.Rotation
 import android.view.View
 import android.view.WindowManager
 import android.view.accessibility.AccessibilityManager
+import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.filters.SmallTest
 import com.android.keyguard.KeyguardUpdateMonitor
 import com.android.settingslib.udfps.UdfpsOverlayParams
@@ -69,8 +69,8 @@ import org.mockito.Captor
 import org.mockito.Mock
 import org.mockito.Mockito.mock
 import org.mockito.Mockito.verify
-import org.mockito.Mockito.`when` as whenever
 import org.mockito.junit.MockitoJUnit
+import org.mockito.Mockito.`when` as whenever
 
 private const val REQUEST_ID = 2L
 
@@ -340,4 +340,22 @@ class UdfpsControllerOverlayTest : SysuiTestCase() {
             assertThat(lp.height).isEqualTo(overlayParams.sensorBounds.height())
         }
     }
+
+    @Test
+    fun fullScreenOverlayWithNewTouchDetectionEnabled() = withRotation(ROTATION_0) {
+        withReason(REASON_AUTH_KEYGUARD) {
+            whenever(featureFlags.isEnabled(Flags.UDFPS_NEW_TOUCH_DETECTION)).thenReturn(true)
+
+            controllerOverlay.show(udfpsController, overlayParams)
+            verify(windowManager).addView(
+                    eq(controllerOverlay.overlayView),
+                    layoutParamsCaptor.capture()
+            )
+
+            // Layout params should use natural display width and height
+            val lp = layoutParamsCaptor.value
+            assertThat(lp.width).isEqualTo(overlayParams.naturalDisplayWidth)
+            assertThat(lp.height).isEqualTo(overlayParams.naturalDisplayHeight)
+        }
+    }
 }