Bump up the glyph cache texture size for manta

Issue #7045164 Adjust cache sizes for manta

Change-Id: I4e6270b0cf6f71b865003ed5bb101eb4b487d840
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 39228b4..519863c 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -50,3 +50,4 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libsurfaceflinger_intermediates)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libui_intermediates)
 $(call add-clean-step, rm -f $(PRODUCT_OUT)/root/default.prop)
+$(call add-clean-step, rm -f $(TARGET_OUT)/build.prop)