Steps to reproduce:

1) Open Unity and create a new project with Lightweight RP (Preview) included
2) Switch platform to Android in the Build Settings
3) When compiling is finished, observe the error in the Console window:
Shader error in 'ShadowBlurMoments.compute': All kernels must use same constant buffer layouts; 'blurWeightsStorage' property found to be different

Expected result: No errors in the Console window after switching to any platform when using LTSRP
Actual result: Shader error shown in the Console

Reproduced with:
2018.1.0b13, 2018.1.0f1, 2018.2.0a9

Not Reproduced with:
2018.1.0b11, 2018.1.0b12

Note: switching to iOS platform works without errors

Tested using :
MacBook Pro (15-inch 2017)
Mac OS High Sierra 10.13.4 (17E199)

Windows 10 machine also reproduced this issue.
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Fixed in: 2018.2.0f2