x86 : add LOCAL_DISABLE_FATAL_LINKER_WARNINGS

This patch adds LOCAL_DISABLE_FATAL_LINKER_WARNINGS at true in Android.mk
of the jni.
Since the 11th version of the NDK, fatal linker warnings are enabled by
default. That stopped the compilation.

Change-Id: I3a4361aa7df2bd098c9df3dd6e30baa4fe61df5a
Tuleap: #505
diff --git a/ring-android/app/src/main/jni/Android.mk b/ring-android/app/src/main/jni/Android.mk
index d935c67..8a0ed89 100644
--- a/ring-android/app/src/main/jni/Android.mk
+++ b/ring-android/app/src/main/jni/Android.mk
@@ -84,6 +84,8 @@
 					-DDEBUG_DIRECTOR_OWNED \
 					-DPJ_AUTOCONF=1
 
+LOCAL_DISABLE_FATAL_LINKER_WARNINGS = true
+
 LOCAL_LDFLAGS := -L$(RING_CONTRIB)/lib \
 
 LOCAL_LDLIBS  += 	-lz \