Shorten IME surface caching duration

Shorten IME surface caching so that we can avoid showing cached IME
surface when IME insets have changed from the last time it was shown.

Fix: 221458652
Bug: 230762351

Test: Manually using steps:
   1. Go to gboard settings and enable Emoji bar
   2. Open a chat in messages app
   3. tap editor and make sure Insets dont change after show
      animation completes.

Change-Id: I4c2a9c272ef0e7be7128ca64abebd3a3b7d2d7a4