gpuservice: Add GPU Vendor ID support to FeatureConfig proto

Add GPU vendor ID support to the FeatureConfig protobuf, to allow
making feature override decisions based on the GPU vendor of the device.
For example, restricting a particular feature override to Intel or ARM
GPU devices.

Bug: 372694741
Test: atest gpuservice_unittest
Test: cmd gpu featureOverrides
Test: atest android.boottime.BootTimeTest#testSuccessiveBoots
Flag: com.android.graphics.graphicsenv.flags.feature_overrides
Change-Id: I6b141ed725db2736ffa523bb50006c609a1e49a1