Steps to reproduce:
1. Open attached project with 4.7.2f1
2. Build and run to Android
3. Run "adb shell dumpsys meminfo <bundle_identifier>" command
-Total GPU memory should be around 34113KB~ (see attached image)
4. Open attached project with 5.5.3p1 or newer
5. Build and run to Android
6. Run "adb shell dumpsys meminfo <bundle_identifier>" command
-Total GPU memory should be around 102123KB~ (see attached image)

Result: GPU memory of unity 5 is bigger than unity 4

Also, there is a huge increase in Array Buffer Objects from 4.7 to 5.5 (~391 more Array Buffer Objects in 5.5)

Reproduced with: 4.7.2f1, 5.5.3p1, 2017.2.0b1

Devices under test:

Reproduced with:
Xiaomi MI 5s, OS:6.0.1, CPU:arm64-v8a, GPU:Adreno (TM) 530, Build:Xiaomi/capricorn/capricorn:6.0.1/MXB48T/V8.0.10.0.MAGCNDH:user/release-keys
Verizon SM G930V, OS:7.0, CPU:arm64-v8a, GPU:Adreno (TM) 530, Build:Verizon/heroqltevzw/heroqltevzw:7.0/NRD90M/G930VVRU4BQA2:user/release-keys