Bypass alias for grep in the tapas command.

Change-Id: I82705535bda927ddc7e9aebb9610d712b68a50d2
diff --git a/core/definitions.mk b/core/definitions.mk
index 5410b11..57201c0 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1104,7 +1104,7 @@
     rm -rf $$ldir; \
     mkdir -p $$ldir; \
     filelist=; \
-    for f in `$(HOST_AR) t $(1) | grep '\.o$$'`; do \
+    for f in `$(HOST_AR) t $(1) | \grep '\.o$$'`; do \
         $(HOST_AR) p $(1) $$f > $$ldir/$$f; \
         filelist="$$filelist $$ldir/$$f"; \
     done ; \
diff --git a/envsetup.sh b/envsetup.sh
index 61c1e7f..274901b 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -502,8 +502,8 @@
 # Run tapas with one ore more app names (from LOCAL_PACKAGE_NAME)
 function tapas()
 {
-    local variant=$(echo -n $(echo $* | xargs -n 1 echo | grep -E '^(user|userdebug|eng)$'))
-    local apps=$(echo -n $(echo $* | xargs -n 1 echo | grep -E -v '^(user|userdebug|eng)$'))
+    local variant=$(echo -n $(echo $* | xargs -n 1 echo | \grep -E '^(user|userdebug|eng)$'))
+    local apps=$(echo -n $(echo $* | xargs -n 1 echo | \grep -E -v '^(user|userdebug|eng)$'))
 
     if [ $(echo $variant | wc -w) -gt 1 ]; then
         echo "tapas: Error: Multiple build variants supplied: $variant"
@@ -1015,7 +1015,7 @@
         echo ""
     fi
     local lines
-    lines=($(grep "$1" $T/filelist | sed -e 's/\/[^/]*$//' | sort | uniq))
+    lines=($(\grep "$1" $T/filelist | sed -e 's/\/[^/]*$//' | sort | uniq))
     if [[ ${#lines[@]} = 0 ]]; then
         echo "Not found"
         return