Minikin: Disable sanitizer on x86

Disable unsigned-integer-overflow sanitizer on x86, as it crashes.

Bug: 25884483
Bug: 26432628
Change-Id: Ia658ed56a6c81660a36edf71f7116118056aa917

libs/minikin/Android.mk

@@ -51,7 +51,11 @@ LOCAL_SRC_FILES := $(minikin_src_files)
 LOCAL_C_INCLUDES := $(minikin_c_includes)
 LOCAL_SHARED_LIBRARIES := $(minikin_shared_libraries)
 LOCAL_CLANG := true
-LOCAL_SANITIZE := signed-integer-overflow unsigned-integer-overflow
+LOCAL_SANITIZE := signed-integer-overflow
+# b/26432628.
+ifeq ($(filter x86%,$(TARGET_ARCH)),)
+  LOCAL_SANITIZE += unsigned-integer-overflow
+endif
 
 include $(BUILD_SHARED_LIBRARY)
 
@@ -64,7 +68,11 @@ LOCAL_SRC_FILES := $(minikin_src_files)
 LOCAL_C_INCLUDES := $(minikin_c_includes)
 LOCAL_SHARED_LIBRARIES := $(minikin_shared_libraries)
 LOCAL_CLANG := true
-LOCAL_SANITIZE := signed-integer-overflow unsigned-integer-overflow
+LOCAL_SANITIZE := signed-integer-overflow
+# b/26432628.
+ifeq ($(filter x86%,$(TARGET_ARCH)),)
+  LOCAL_SANITIZE += unsigned-integer-overflow
+endif
 
 include $(BUILD_STATIC_LIBRARY)