Update on "Add 16A8W linear ops support and test"

- Adds linear ops test using the 16A8W config in INT16 profile.
- Adds support in view ops validation for INT16 Dtype.
- Validated with TOSA pipeline test.
- Checked earlier marked flaky tests no longer flaky and remove markers.

Note: Not verified with tosa reference model run.

Differential Revision: [D80308822](https://our.internmc.facebook.com/intern/diff/D80308822/)

[ghstack-poisoned]

Author: Ninja91