Revert "Add a coverage suffix to avoid Ninja file regeneration."

Revert submission 3207217-emma-flip-time-saver

Reason for revert: b/361236607

Reverted changes: /q/submissionid:3207217-emma-flip-time-saver

Change-Id: Id2e415232221baf2015b8170ceb64ee6f8d3f160
diff --git a/core/soong_config.mk b/core/soong_config.mk
index 77c8b6f..72ee2e4 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -1,5 +1,5 @@
-SOONG_MAKEVARS_MK := $(SOONG_OUT_DIR)/make_vars-$(TARGET_PRODUCT)$(COVERAGE_SUFFIX).mk
-SOONG_ANDROID_MK := $(SOONG_OUT_DIR)/Android-$(TARGET_PRODUCT)$(COVERAGE_SUFFIX).mk
+SOONG_MAKEVARS_MK := $(SOONG_OUT_DIR)/make_vars-$(TARGET_PRODUCT).mk
+SOONG_ANDROID_MK := $(SOONG_OUT_DIR)/Android-$(TARGET_PRODUCT).mk
 
 include $(BUILD_SYSTEM)/art_config.mk
 include $(BUILD_SYSTEM)/dex_preopt_config.mk
@@ -26,7 +26,7 @@
 $(shell mkdir -p $(dir $(SOONG_VARIABLES)))
 $(call json_start)
 
-$(call add_json_str,  Make_suffix, -$(TARGET_PRODUCT)$(COVERAGE_SUFFIX))
+$(call add_json_str,  Make_suffix, -$(TARGET_PRODUCT))
 
 $(call add_json_str,  BuildId,                           $(BUILD_ID))
 $(call add_json_str,  BuildFingerprintFile,              build_fingerprint.txt)