Revert "Turn on -Wformat-nonliteral."

One of my build aliases doesn't play nice with USE_MINGW=1, so my build lied to me. Will revert until I fix it up.

This reverts commit 459df8f3a14d4c614f0211049800cf7cad6d30ad.

Change-Id: I7905c5ae5ee85fb2d228ce63d81c79f140998c18
diff --git a/adb/Android.mk b/adb/Android.mk
index 0124b26..7977009 100644
--- a/adb/Android.mk
+++ b/adb/Android.mk
@@ -15,9 +15,8 @@
 
 ADB_COMMON_CFLAGS := \
     -Wall -Wextra -Werror \
-    -Wformat-nonliteral \
-    -Wno-missing-field-initializers \
     -Wno-unused-parameter \
+    -Wno-missing-field-initializers \
     -DADB_REVISION='"$(adb_version)"' \
 
 # libadb