Version bump

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

app/build.gradle

@@ -20,8 +20,8 @@ android {
         applicationId 'com.wireguard.android'
         minSdkVersion 21
         targetSdkVersion 27
-        versionCode 419
-        versionName '0.0.20180529'
+        versionCode 420
+        versionName '0.0.20180601'
     }
     externalNativeBuild {
         cmake {

app/tools/wireguard-go

@@ -1 +1 @@
-Subproject commit 1d7845a600252daee850c90a31da40e59ca2254c
+Subproject commit 0c976003c8690506915dab0003138283307a8089