App_process: Clean up sanitized binaries

Clean up the definition of sanitized binaries. Clean up the
Android.mk to share values.

Bug: 33224213
Test: mmma SANITIZE_TARGET=address SANITIZE_LITE=true frameworks/base/cmds/app_process && ls $OUT/system/bin/asan
Change-Id: I70f8d95ff2ec6366fc0a7d252b91dce268186910
diff --git a/cmds/app_process/Android.mk b/cmds/app_process/Android.mk
index e18de8e..f4314fb 100644
--- a/cmds/app_process/Android.mk
+++ b/cmds/app_process/Android.mk
@@ -1,38 +1,58 @@
 LOCAL_PATH:= $(call my-dir)
 
+app_process_common_shared_libs := \
+    libandroid_runtime \
+    libbinder \
+    libcutils \
+    libdl \
+    liblog \
+    libnativeloader \
+    libutils \
+
 # This is a list of libraries that need to be included in order to avoid
 # bad apps. This prevents a library from having a mismatch when resolving
 # new/delete from an app shared library.
 # See b/21032018 for more details.
-app_process_common_shared_libs := \
+app_process_common_shared_libs += \
     libwilhelm \
 
+app_process_common_static_libs := \
+    libsigchain \
+
+app_process_src_files := \
+    app_main.cpp \
+
+app_process_cflags := \
+    -Wall -Werror -Wunused -Wunreachable-code
+
+app_process_ldflags_32 := \
+    -Wl,--version-script,art/sigchainlib/version-script32.txt -Wl,--export-dynamic
+app_process_ldflags_64 := \
+    -Wl,--version-script,art/sigchainlib/version-script64.txt -Wl,--export-dynamic
+
 include $(CLEAR_VARS)
 
-LOCAL_SRC_FILES:= \
-    app_main.cpp
+LOCAL_SRC_FILES:= $(app_process_src_files)
 
-LOCAL_LDFLAGS_32 := -Wl,--version-script,art/sigchainlib/version-script32.txt -Wl,--export-dynamic
-LOCAL_LDFLAGS_64 := -Wl,--version-script,art/sigchainlib/version-script64.txt -Wl,--export-dynamic
+LOCAL_LDFLAGS_32 := $(app_process_ldflags_32)
+LOCAL_LDFLAGS_64 := $(app_process_ldflags_64)
 
-LOCAL_SHARED_LIBRARIES := \
-    libdl \
-    libcutils \
-    libutils \
-    liblog \
-    libbinder \
-    libnativeloader \
-    libandroid_runtime \
-    $(app_process_common_shared_libs) \
+LOCAL_SHARED_LIBRARIES := $(app_process_common_shared_libs)
 
-LOCAL_WHOLE_STATIC_LIBRARIES := libsigchain
+LOCAL_WHOLE_STATIC_LIBRARIES := $(app_process_common_static_libs)
 
 LOCAL_MODULE:= app_process
 LOCAL_MULTILIB := both
 LOCAL_MODULE_STEM_32 := app_process32
 LOCAL_MODULE_STEM_64 := app_process64
 
-LOCAL_CFLAGS += -Wall -Werror -Wunused -Wunreachable-code
+LOCAL_CFLAGS += $(app_process_cflags)
+
+# In SANITIZE_LITE mode, the main app_process is not sanitized - special
+# binaries below do that.
+ifeq ($(SANITIZE_LITE),true)
+LOCAL_SANITIZE := never
+endif
 
 include $(BUILD_EXECUTABLE)
 
@@ -41,38 +61,28 @@
 include  $(BUILD_SYSTEM)/executable_prefer_symlink.mk
 
 # Build a variant of app_process binary linked with ASan runtime.
-# ARM-only at the moment.
-ifeq ($(TARGET_ARCH),arm)
+# Built when SANITIZE_LITE is enabled.
+ifeq ($(SANITIZE_LITE),true)
 
 include $(CLEAR_VARS)
 
-LOCAL_SRC_FILES:= \
-    app_main.cpp
+LOCAL_SRC_FILES:= $(app_process_src_files)
 
-LOCAL_SHARED_LIBRARIES := \
-    libcutils \
-    libutils \
-    liblog \
-    libbinder \
-    libandroid_runtime \
-    $(app_process_common_shared_libs) \
+LOCAL_LDFLAGS_32 := $(app_process_ldflags_32)
+LOCAL_LDFLAGS_64 := $(app_process_ldflags_64)
 
-LOCAL_WHOLE_STATIC_LIBRARIES := libsigchain
+LOCAL_SHARED_LIBRARIES := $(app_process_common_shared_libs)
 
-LOCAL_LDFLAGS := -ldl
-LOCAL_LDFLAGS_32 := -Wl,--version-script,art/sigchainlib/version-script32.txt -Wl,--export-dynamic
-LOCAL_LDFLAGS_64 := -Wl,--version-script,art/sigchainlib/version-script64.txt -Wl,--export-dynamic
+LOCAL_WHOLE_STATIC_LIBRARIES := $(app_process_common_static_libs)
 
 LOCAL_MODULE := app_process__asan
 LOCAL_MULTILIB := both
 LOCAL_MODULE_STEM_32 := app_process32
 LOCAL_MODULE_STEM_64 := app_process64
-
-LOCAL_SANITIZE := address
 LOCAL_MODULE_PATH := $(TARGET_OUT_EXECUTABLES)/asan
 
-LOCAL_CFLAGS += -Wall -Werror -Wunused -Wunreachable-code
+LOCAL_CFLAGS += $(app_process_cflags)
 
 include $(BUILD_EXECUTABLE)
 
-endif # ifeq($(TARGET_ARCH),arm)
+endif # SANITIZE_LITE