Add waive_target_sdk_check_for_turn_screen_on PowerProperties sysprop.

This is added to allow for more strict enforcement of android.permission.TURN_SCREEN_ON on TV.

Bug: 281825732
Test: manually installed app with targetSdk T and verified that it can turn the screen on
Test: set waive_target_sdk_check_for_turn_screen_on to true and verified that app with targetSdk T cannot turn the screen on
Change-Id: I307a36e26331c2cb5d988ccb70665964c3344665

srcs/android/sysprop/PowerProperties.sysprop

diff --git a/srcs/android/sysprop/PowerProperties.sysprop b/srcs/android/sysprop/PowerProperties.sysprop
index ddb72b6..c53d6ae 100644
--- a/srcs/android/sysprop/PowerProperties.sysprop
+++ b/srcs/android/sysprop/PowerProperties.sysprop
@@ -44,3 +44,13 @@
     access: ReadWrite
     prop_name: "debug.power.permissionless_turn_screen_on"
 }
+
+# Waives the minimum target-sdk check for android.os.PowerManager#ACQUIRE_CAUSES_WAKEUP
+# and only allows the flag for apps holding android.permission.TURN_SCREEN_ON
+prop {
+    api_name: "waive_target_sdk_check_for_turn_screen_on"
+    type: Boolean
+    scope: Internal
+    access: Readonly
+    prop_name: "ro.power.waive_target_sdk_check_for_turn_screen_on"
+}
\ No newline at end of file