Reduce boot animation completion check interval

- 200 ms interval can increase boot time by 200ms.
- Reduce it to 50 ms for now.
- TODO: Migrate to SystemServices.waitForState and remove
  polling completely

Bug: 157281833
Bug: 159045990
Test: reboot and check boot time
Change-Id: I2a7b7da90f1b14c16a7429ebd7f2971792f48e3c

1 files changed, 2 insertions, 1 deletions

diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 10d07573f8c6..4718b59f3bfe 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -369,7 +369,8 @@ public class WindowManagerService extends IWindowManager.Stub
     static final long DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS = 5000 * 1000000L;
 
     // Poll interval in milliseconds for watching boot animation finished.
-    private static final int BOOT_ANIMATION_POLL_INTERVAL = 200;
+    // TODO(b/159045990) Migrate to SystemService.waitForState with dedicated thread.
+    private static final int BOOT_ANIMATION_POLL_INTERVAL = 50;
 
     // The name of the boot animation service in init.rc.
     private static final String BOOT_ANIMATION_SERVICE = "bootanim";