Prevent too large shift exponent in apply_inter_tes() and merge two loops. am: 2a40fde39d

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/aac/+/14471061

Change-Id: Iaa3a1546fa0d8a92de3b1434b93d810b6e00e1a7