Adding ViewPager2 as dependency to MDC

This paves the way to add TabLayoutMediator to MDC's tabs library, which
makes it possible for a ViewPager2 to be linked to a TabLayout similarly
to how a ViewPager was linked to TabLayout.

PiperOrigin-RevId: 246496849

Author: Material Design Team

build.gradle

@@ -35,6 +35,7 @@ ext {
     recyclerViewSelection : '1.1.0-alpha01',
     transition            : '1.0.1',
     vectorDrawable        : '1.1.0-alpha01',
+    viewpager2            : '1.0.0-alpha02',
   ]
 
   testRunnerVersion = '1.1.0'
@@ -109,6 +110,8 @@ def compatibility(name) {
       return "androidx.vectordrawable:vectordrawable:${androidXVersions.vectorDrawable}"
     case "recyclerViewSelection":
       return "androidx.recyclerview:recyclerview-selection:${androidXVersions.recyclerViewSelection}"
+    case "viewpager2":
+      return "androidx.viewpager2:viewpager2:${androidXVersions.viewpager2}"
     default:
       throw new IllegalArgumentException("No mapping exists for name: $name.")
   }

lib/build.gradle

@@ -16,6 +16,7 @@ dependencies {
   api compatibility("recyclerview")
   api compatibility("transition")
   api compatibility("vectordrawable")
+  api compatibility("viewpager2")
 
   testImplementation "androidx.test:core:${project.rootProject.ext.testRunnerVersion}"
   testImplementation "androidx.test:runner:${project.rootProject.ext.testRunnerVersion}"

lib/java/com/google/android/material/tabs/build.gradle

@@ -9,6 +9,7 @@ dependencies {
   implementation compatibility("appcompat")
   implementation compatibility("core")
   implementation compatibility("core_ui")
+  implementation compatibility("viewpager2")
 
   implementation project(fromPath("lib/java/com/google/android/material/animation"))
   implementation project(fromPath("lib/java/com/google/android/material/internal"))