Update lifecycle version 2.1.0-alpha03 (android#380)

Author: XinyueZ

build.gradle

@@ -34,7 +34,7 @@ buildscript {
         kotlinVersion = '1.3.21'
         ktlintVersion = '0.30.0'
         ktxVersion = '1.0.1'
-        lifecycleVersion = '2.1.0-alpha02'
+        lifecycleVersion = '2.1.0-alpha03'
         materialVersion = '1.0.0'
         navigationVersion = '2.0.0'
         recyclerViewVersion = '1.1.0-alpha02'