"Material doesn't have a float or range property '_TransparentSortPriority'" AND "Material doesn't have a float or range property '_AlphaCutoffEnable'" Errors are thrown when HDRP/Decal Shader is assigned to Material

Steps to repro:
1. Create a new project with HDRP Template
2. Upgrade High Definition RP Package to 7.1.5
3. Project > Create > Material
4. Inspector > Shader > HDRP > Decal

Actual Result:
Errors are thrown on applying "Decal" Shader to "HDRP Material"

Expected Result:
Decal Shader get assigned to HDRP Material without any errors

Reproducible on:
2020.1.0a14, 2019.3.0b12

Note: Unable to check on 7.1.2 because this package version was broken

Package Found version: 7.1.5

Package working fine version: 7.1.1

Environment:
Windows 10 & macOS 10.14