Steps to reproduce:

1) Open UnityHub and create a new LWRP template project
2) Go to Window >> Package Manager >> update Lightweight package to 6.5.3
3) Go to Build Settings and switch platform to Android
4) Go to Player settings and add Gles2 Graphics API to the list
5) Remove Gles3 and Vulkan form the Graphics APIs list

Observe: Black Screen and Kernel 'KGenLut3D_AcesTonemap' error in the Console

Kernel 'KGenLut3D_AcesTonemap' not found
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)
ArgumentException: Kernel 'KGenLut3D_AcesTonemap' not found.
UnityEngine.Rendering.PostProcessing.ColorGradingRenderer.RenderHDRPipeline3D (UnityEngine.Rendering.PostProcessing.PostProcessRenderContext context) (at Library/PackageCache/com.unity.postprocessing@2.1.4/PostProcessing/Runtime/Effects/ColorGrading.cs:467)

Reproduced with:
2019.3.0a1, 2019.3.0a3
LWRP package version 6.5.2, 6.5.3

Not reproduced with:
2019.2.0b2
LWRP package version 6.5.3