Bug 1412932 - Don't go through client.mk for maybe_clobber_profiledbu…

…ild; r=ted

This target is simply proxied. We don't need to go through client.mk to
evaluate it.

MozReview-Commit-ID: 3LF7e8LN8p0

--HG--
extra : rebase_source : 597591cce0ac75b541d67ae7a4f706222f8bcbeb
extra : source : 6942a82a95ff0d8d0c0ee660497cc15fe874e6eb

client.mk

@@ -132,7 +132,7 @@ CONFIGURES := $(TOPSRCDIR)/configure
 CONFIGURES += $(TOPSRCDIR)/js/src/configure
 
 # Make targets that are going to be passed to the real build system
-OBJDIR_TARGETS = install export libs clean realclean distclean maybe_clobber_profiledbuild upload sdk installer package package-compare stage-package source-package l10n-check automation/build
+OBJDIR_TARGETS = install export libs clean realclean distclean upload sdk installer package package-compare stage-package source-package l10n-check automation/build
 
 #######################################################################
 # Rules
@@ -190,7 +190,7 @@ profiledbuild::
 	MOZ_PGO_INSTRUMENTED=1 JARLOG_FILE=jarlog/en-US.log EXTRA_TEST_ARGS=10 $(MAKE) -C $(OBJDIR) pgo-profile-run
 	$(call BUILDSTATUS,TIER_FINISH pgo_profile)
 	$(call BUILDSTATUS,TIER_START pgo_clobber)
-	$(MAKE) -f $(TOPSRCDIR)/client.mk maybe_clobber_profiledbuild CREATE_MOZCONFIG_JSON=
+	$(MAKE) -C $(OBJDIR) maybe_clobber_profiledbuild
 	$(call BUILDSTATUS,TIER_FINISH pgo_clobber)
 	$(call BUILDSTATUS,TIER_START pgo_profile_use)
 	$(MAKE) -f $(TOPSRCDIR)/client.mk realbuild MOZ_PROFILE_USE=1 CREATE_MOZCONFIG_JSON=