To reproduce:

1. Open the attached project (BuildMyCityClean.zip)
2. Build and Run the project for Android
3. In the build, observe flickering of some meshes

Expected: flickering on Android for meshes that use built-in shaders with support for lighting

Reproduced in 2018.1.9f1, 2018.2.2f1, 2018.3.0a7
Could not test in earlier versions of Unity due to many errors appearing during the building process
Did not reproduce in 2017.4.8f1
Regression introduced in 2018.1.9f1

Fixed in: 2019.1.0a8

Reproduced on
Sony Xperia Z4 Tablet (SGP771), 7.1.1, CPU: Snapdragon 810 MSM8994, GPU: Adreno (TM) 430
Htc M9 (HTC One M9), 7.0, CPU: Snapdragon 810 MSM8994, GPU: Adreno (TM) 430

Did not reproduce on
Lge Nexus 5X (Nexus 5X), 8.0.0, CPU: Snapdragon 808, GPU: Adreno (TM) 418
Google Pixel XL (Pixel XL), 8.0.0, CPU: Snapdragon 821 MSM8996 Pro, GPU: Adreno (TM) 530
Samsung Galaxy S9+ (SM-G965F), 8.0.0, CPU: Exynos 9 Series 9810, GPU: Mali-G72
Asus MeMO Pad 8 (ME181C) (K011), 4.4.2, CPU: Intel Atom Z3745, GPU: Intel(R) HD Graphics for BayTrail
Samsung Galaxy S6 Edge (SM-G925F), 7.0, CPU: Exynos 7 Octa 7420, GPU: Mali-T760