[Feature] Update sample dependencies.

Author: zhanghai

sample/build.gradle

@@ -35,8 +35,8 @@ android {
 dependencies {
     implementation 'androidx.appcompat:appcompat:1.1.0'
     implementation 'androidx.recyclerview:recyclerview:1.1.0'
-    implementation 'com.google.android.material:material:1.2.0-alpha02'
-    implementation 'com.jakewharton:butterknife:10.2.0'
-    annotationProcessor 'com.jakewharton:butterknife-compiler:10.2.0'
+    implementation 'com.google.android.material:material:1.2.0-alpha05'
+    implementation 'com.jakewharton:butterknife:10.2.1'
+    annotationProcessor 'com.jakewharton:butterknife-compiler:10.2.1'
     implementation project(':library')
 }