Raise the theshold of TV devices up to 1.5GB am: 122d98b64a am: e9cd12e47c am: edd190d035 am: d897d11c36

Original change: https://googleplex-android-review.googlesource.com/c/platform/cts/+/12939795

Change-Id: I305cf6b7681dc2824ffefc19ab7b26b52c100c4c