Convert more uses of $(ACP) to `cp`

Test: treehugger
Change-Id: Id8365ce4c06dfe731be9b80f805e071fab522909
diff --git a/core/definitions.mk b/core/definitions.mk
index fc1b228..f8c6ec8 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1853,15 +1853,15 @@
   -name Manifest.java 2> /dev/null`; do \
     dir=`awk '/package/{gsub(/\./,"/",$$2);gsub(/;/,"",$$2);print $$2;exit}' $$GENERATED_MANIFEST_FILE`; \
     mkdir -p $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \
-    $(ACP) -fp $$GENERATED_MANIFEST_FILE $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \
+    cp $$GENERATED_MANIFEST_FILE $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \
   done;
 $(hide) for GENERATED_R_FILE in `find $(1) \
   -name R.java 2> /dev/null`; do \
     dir=`awk '/package/{gsub(/\./,"/",$$2);gsub(/;/,"",$$2);print $$2;exit}' $$GENERATED_R_FILE`; \
     mkdir -p $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \
-    $(ACP) -fp $$GENERATED_R_FILE $(TARGET_COMMON_OUT_ROOT)/R/$$dir \
+    cp $$GENERATED_R_FILE $(TARGET_COMMON_OUT_ROOT)/R/$$dir \
       || exit 31; \
-    $(ACP) -fp $$GENERATED_R_FILE $(2) || exit 32; \
+    cp $$GENERATED_R_FILE $(2) || exit 32; \
   done;
 @# Ensure that the target file is always created, i.e. also in case we did not
 @# enter the GENERATED_R_FILE-loop above. This avoids unnecessary rebuilding.