Disallow platform_compat_config modules in apex prebuilts property

Bug: 182816033
Test: m nothing
Change-Id: I50dcc358e8ae143e21b1fbf1a12835bf1342606f
diff --git a/apex/apex.go b/apex/apex.go
index f66da1d..62dd3b6 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -1746,10 +1746,8 @@
 			case prebuiltTag:
 				if prebuilt, ok := child.(prebuilt_etc.PrebuiltEtcModule); ok {
 					filesInfo = append(filesInfo, apexFileForPrebuiltEtc(ctx, prebuilt, depName))
-				} else if prebuilt, ok := child.(java.PlatformCompatConfigIntf); ok {
-					filesInfo = append(filesInfo, apexFileForCompatConfig(ctx, prebuilt, depName))
 				} else {
-					ctx.PropertyErrorf("prebuilts", "%q is not a prebuilt_etc and not a platform_compat_config module", depName)
+					ctx.PropertyErrorf("prebuilts", "%q is not a prebuilt_etc module", depName)
 				}
 			case compatConfigsTag:
 				if compatConfig, ok := child.(java.PlatformCompatConfigIntf); ok {