Reimplement EmergencyInfo with the support library.

This allows compatibility with SettingsLib.

Bug: 30046624
Test: runtest --path packages/apps/EmergencyInfo/tests
Change-Id: I3e4a49b6aebfd3297014bfd3bc9cc80a37e3a006
diff --git a/Android.mk b/Android.mk
index adb0ec1..2587d6f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -39,6 +39,8 @@
 
 LOCAL_PROGUARD_FLAG_FILES := proguard.flags
 
+include frameworks/base/packages/SettingsLib/common.mk
+
 include $(BUILD_PACKAGE)
 
 include $(call all-makefiles-under,$(LOCAL_PATH))