Cleanup hide_pointer_indicators_for_secure_windows flag

Flag is in nextfood so we can remove it.

Bug: 325252005
Test: atest --host inputflinger_tests
Flag: EXEMPT removing hide_pointer_indicators_for_secure_windows
Change-Id: I8b1695d19e30f3bf15eb316edd99c0a61412df78

Author: Arpit Singh

libs/input/input_flags.aconfig

@@ -119,13 +119,6 @@ flag {
   bug: "330752824"
 }
 
-flag {
-  name: "hide_pointer_indicators_for_secure_windows"
-  namespace: "input"
-  description: "Hide touch and pointer indicators if a secure window is present on display"
-  bug: "325252005"
-}
-
 flag {
   name: "enable_keyboard_classifier"
   namespace: "input"

services/inputflinger/PointerChoreographer.cpp

@@ -535,9 +535,6 @@ void PointerChoreographer::processDeviceReset(const NotifyDeviceResetArgs& args)
 }
 
 void PointerChoreographer::onControllerAddedOrRemovedLocked() {
-    if (!com::android::input::flags::hide_pointer_indicators_for_secure_windows()) {
-        return;
-    }
     bool requireListener = !mTouchPointersByDevice.empty() || !mMousePointersByDisplay.empty() ||
             !mDrawingTabletPointersByDevice.empty() || !mStylusPointersByDevice.empty();
 

services/inputflinger/tests/PointerChoreographer_test.cpp

@@ -129,9 +129,6 @@ class PointerChoreographerTest : public testing::Test {
                                             mInjectedInitialWindowInfos};
 
     void SetUp() override {
-        // flag overrides
-        input_flags::hide_pointer_indicators_for_secure_windows(true);
-
         ON_CALL(mMockPolicy, createPointerController).WillByDefault([this](ControllerType type) {
             std::shared_ptr<FakePointerController> pc = std::make_shared<FakePointerController>();
             EXPECT_FALSE(pc->isPointerShown());
@@ -2098,10 +2095,7 @@ TEST_P(SkipPointerScreenshotForPrivacySensitiveDisplaysTestFixture,
     pc->assertSkipScreenshotFlagNotChanged();
 }
 
-TEST_F_WITH_FLAGS(
-        PointerChoreographerTest, HidesPointerScreenshotForExistingPrivacySensitiveWindows,
-        REQUIRES_FLAGS_ENABLED(ACONFIG_FLAG(com::android::input::flags,
-                                            hide_pointer_indicators_for_secure_windows))) {
+TEST_F(PointerChoreographerTest, HidesPointerScreenshotForExistingPrivacySensitiveWindows) {
     mChoreographer.setDisplayViewports(createViewports({DISPLAY_ID}));
 
     // Add a first mouse device
@@ -3158,11 +3152,8 @@ TEST_F(PointerChoreographerDisplayTopologyDefaultMouseDisplayTests,
 
 class PointerChoreographerWindowInfoListenerTest : public testing::Test {};
 
-TEST_F_WITH_FLAGS(
-        PointerChoreographerWindowInfoListenerTest,
-        doesNotCrashIfListenerCalledAfterPointerChoreographerDestroyed,
-        REQUIRES_FLAGS_ENABLED(ACONFIG_FLAG(com::android::input::flags,
-                                            hide_pointer_indicators_for_secure_windows))) {
+TEST_F(PointerChoreographerWindowInfoListenerTest,
+       doesNotCrashIfListenerCalledAfterPointerChoreographerDestroyed) {
     sp<android::gui::WindowInfosListener> registeredListener;
     sp<android::gui::WindowInfosListener> localListenerCopy;
     {