Update zygote32 rc file to match others

In I3aad4b4b1d2f54db9e7ba86db8a655d8552bad0a we set MaxPerformance
for zygote64_32, and in I7fcceeb22b722c2164b9acf0b517a32ce34731fd
we synced up zygote64 to match this.

However, this change never made it into the zygote32 rc file,
which we fix here.

Bug: 324014808
Test: Basic testing on 32-bit device
Change-Id: I6f0c4490330d05551952fd5d844e02a6b638ca68