Make Jacoco exclusions relative to the current directory

Test: m EMMA_INSTRUMENT=true
Bug: 68056327
Change-Id: Ia6bf1cf78920107404fed4cbd8259d4442b04755
diff --git a/core/jacoco.mk b/core/jacoco.mk
index 4533cdf..225c2a1 100644
--- a/core/jacoco.mk
+++ b/core/jacoco.mk
@@ -72,7 +72,7 @@
 	unzip -q $(PRIVATE_FULL_CLASSES_PRE_JACOCO_JAR) \
 	  -d $(PRIVATE_UNZIPPED_PATH) \
 	  $(PRIVATE_INCLUDE_ARGS)
-	rm -rf $(PRIVATE_EXCLUDE_ARGS)
+	(cd $(PRIVATE_UNZIPPED_PATH) && rm -rf $(PRIVATE_EXCLUDE_ARGS))
 	touch $(PRIVATE_UNZIPPED_TIMESTAMP_PATH)
 # Unfortunately in the previous task above,
 # 'rm -rf $(PRIVATE_EXCLUDE_ARGS)' needs to be a separate