Revert "Temporarily disable apexer_test during JDK udpate"

This reverts commit a63900dc85cc5748fd074444b7723042a335ed3e.

Reason for revert: JDK update now fully rolled out

Bug: 205944740
Bug: 210142956
Change-Id: I49ade0573d7838418b3976b8e1bc497d8860f5cf
Test: treehugger
2 files changed