Skip IMM#ensureDefaultInstance in system_server

The system code should not rely on/use the static instance of
InputMethodManager, so we should skip this call entirely when running in
system_server.

Bug: 318819032
Test: n/a
Change-Id: Ie7d409cb32b577e788ef8870677576955d615efd

1 files changed, 5 insertions, 1 deletions

diff --git a/core/java/android/view/inputmethod/InputMethodManager.java b/core/java/android/view/inputmethod/InputMethodManager.java
index feccc6bef7a4..3bc02a6c8fd1 100644
--- a/core/java/android/view/inputmethod/InputMethodManager.java
+++ b/core/java/android/view/inputmethod/InputMethodManager.java
@@ -354,7 +354,11 @@ public final class InputMethodManager {
      * @hide
      */
     public static void ensureDefaultInstanceForDefaultDisplayIfNecessary() {
-        forContextInternal(Display.DEFAULT_DISPLAY, Looper.getMainLooper());
+        // Skip this call if we are in system_server, as the system code should not use this
+        // deprecated instance.
+        if (!ActivityThread.isSystem()) {
+            forContextInternal(Display.DEFAULT_DISPLAY, Looper.getMainLooper());
+        }
     }
 
     private static final Object sLock = new Object();