Fix NPE upon android.intent.action.LOCALE_CHANGED

Summary: Fixing the crash with below log
Error: android_crash:java.lang.NullPointerException:com.android.server.inputmethod.InputMethodManagerService.resetDefaultImeLocked

Test: No more crash on oculus

Change-Id: I734b5d1151b76ed441c2832cf378164ab5925856
Merged-In: I734b5d1151b76ed441c2832cf378164ab5925856
Signed-off-by: Abhishek Gadewar <abhishekgadewar@meta.com>