Revert "Avoid vsync enabled when in DOZE mode (AOD)."

This reverts commit 8f96ec4b3074b6c1a4cb47bef4855f38896eb12c.

Reason for revert: b/229336134#comment13

Change-Id: Id2bcf9be0bbb19e0595a22441e3fb3e3fea0976d
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index 445961b..459291a 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -376,11 +376,6 @@
     }
 
     ATRACE_CALL();
-    if (displayData.powerMode == hal::PowerMode::DOZE && enabled == hal::Vsync::ENABLE) {
-        ALOGV("%s will not enable vsync for display %s due to power mode %s", __FUNCTION__,
-              to_string(displayId).c_str(), to_string(displayData.powerMode).c_str());
-        return;
-    }
     auto error = displayData.hwcDisplay->setVsyncEnabled(enabled);
     RETURN_IF_HWC_ERROR(error, displayId);
 
@@ -558,7 +553,6 @@
         setVsyncEnabled(displayId, hal::Vsync::DISABLE);
     }
 
-    mDisplayData[displayId].powerMode = mode;
     const auto& displayData = mDisplayData[displayId];
     auto& hwcDisplay = displayData.hwcDisplay;
     switch (mode) {
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index f9c9434..0e15a7c 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -454,8 +454,6 @@
         std::mutex vsyncEnabledLock;
         hal::Vsync vsyncEnabled GUARDED_BY(vsyncEnabledLock) = hal::Vsync::DISABLE;
 
-        hal::PowerMode powerMode = hal::PowerMode::ON;
-
         nsecs_t lastHwVsync = 0;
     };