Revert "Rename DexJar interface method to DexJarBuildPath."

This reverts commit 562c240185.

Reason for revert: breaks `lunch full-eng && m checkbuild`.

Change-Id: Id7c7d6240d98afaf8edd49b6c96cd05534b784cc

java/hiddenapi_singleton.go

@@ -147,7 +147,7 @@ func stubFlagsRule(ctx android.SingletonContext) {
 			name := ctx.ModuleName(module)
 			for moduleList, pathList := range moduleListToPathList {
 				if i := android.IndexList(name, *moduleList); i != -1 {
-					pathList[i] = j.DexJarBuildPath()
+					pathList[i] = j.DexJar()
 				}
 			}
 		}