Android: Fix compatibility issues with some vendors

add tolower and toupper to be processed by ucd-tools in WCTYPE_H_COMPAT_SHIM

some vendors don't provide conformance with c standard in bionic

android/jni/Android.mk

 ESPEAK_SRC_FILES := \
   $(subst src/,$(ESPEAK_SRC_PATH)/,$(ESPEAK_SOURCES))
 
-LOCAL_CFLAGS    += -DINCLUDE_KLATT -DINCLUDE_SPEECHPLAYER -DINCLUDE_SONIC
+LOCAL_CFLAGS    += -DINCLUDE_KLATT -DINCLUDE_SPEECHPLAYER -DINCLUDE_SONIC -DHAVE_ENDIAN_H
 LOCAL_SRC_FILES += \
   $(filter-out $(BLACKLIST_SRC_FILES),$(ESPEAK_SRC_FILES))
 
   $(LOCAL_PATH)/include \
   $(LOCAL_PATH)/$(UCDTOOLS_SRC_PATH)/include \
   $(LOCAL_PATH)/../../src/speechPlayer/include \
-  $(LOCAL_PATH)/$(ESPEAK_SRC_PATH)/include
+  $(LOCAL_PATH)/$(ESPEAK_SRC_PATH)/include \
+  $(LOCAL_PATH)/$(ESPEAK_SRC_PATH)/include/compat
 
 LOCAL_LDLIBS := \
   -llog

src/include/compat/wctype.h

 #define iswspace  ucd_isspace
 #define iswupper  ucd_isupper
 #define iswxdigit ucd_isxdigit
+#define tolower ucd_tolower
+#define toupper udc_toupper
 
 #endif