Allowlist hal_unit_tests and deps

`hal_unit_tests` is a host cc test.

Bug: 291654541
Test: b test //system/chre:hal_unit_tests
Change-Id: I1e5cbdc42a06186dc522cf53b3b2a3695147e5de
diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index 6f09a6d..6719d2f 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -806,6 +806,12 @@
 		"rs-headers",
 		"rs_script_api",
 		"libRSDispatch",
+
+		// hal_unit_tests and deps
+		"android.hardware.contexthub_interface", // created implicitly by android.hardware.contexthub
+		"chre_flatbuffers",
+		"event_logger",
+		"hal_unit_tests",
 	}
 
 	Bp2buildModuleTypeAlwaysConvertList = []string{