[Feature] Update dependencies.

Author: zhanghai

library/build.gradle

@@ -23,7 +23,7 @@ android {
 
 dependencies {
     implementation 'androidx.appcompat:appcompat:1.1.0'
-    implementation 'androidx.recyclerview:recyclerview:1.1.0-rc01'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
 }
 
 buildscript {

sample/build.gradle

@@ -34,8 +34,8 @@ android {
 
 dependencies {
     implementation 'androidx.appcompat:appcompat:1.1.0'
-    implementation 'androidx.recyclerview:recyclerview:1.1.0-rc01'
-    implementation 'com.google.android.material:material:1.2.0-alpha01'
+    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 project(':library')