[SF] Kernel idle timer configuration

This change configures the kernel idle timer using the composer3 HAL APIs.

BUG: 198808492
Test: atest libsurfaceflinger_unittest
Change-Id: I7de140c3094cb84c8efe782c19c98e126cb4c60b
diff --git a/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp b/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp
index f735bba..33adceb 100644
--- a/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp
@@ -236,6 +236,7 @@
         case OptionalFeature::ExpectedPresentTime:
         case OptionalFeature::DisplayBrightnessCommand:
         case OptionalFeature::BootDisplayConfig:
+        case OptionalFeature::KernelIdleTimer:
             return false;
     }
 }
@@ -487,6 +488,11 @@
     return error;
 }
 
+Error HidlComposer::hasDisplayIdleTimerCapability(Display, bool*) {
+    LOG_ALWAYS_FATAL("hasDisplayIdleTimerCapability should have never been called on this as "
+                     "OptionalFeature::KernelIdleTimer is not supported on HIDL");
+}
+
 Error HidlComposer::getHdrCapabilities(Display display, std::vector<Hdr>* outTypes,
                                        float* outMaxLuminance, float* outMaxAverageLuminance,
                                        float* outMinLuminance) {
@@ -1320,6 +1326,11 @@
     return Error::UNSUPPORTED;
 }
 
+Error HidlComposer::setIdleTimerEnabled(Display, std::chrono::milliseconds) {
+    LOG_ALWAYS_FATAL("setIdleTimerEnabled should have never been called on this as "
+                     "OptionalFeature::KernelIdleTimer is not supported on HIDL");
+}
+
 void HidlComposer::registerCallback(ComposerCallback& callback) {
     const bool vsyncSwitchingSupported =
             isSupported(Hwc2::Composer::OptionalFeature::RefreshRateSwitching);