Add Gradle constraints to common module to enforce matching versions

The common module now defines all other released targets as constraints,
which ensures they must have matching versions. As all other libraries
indirectly depend on the common module, this declaration is only needed
in here.

PiperOrigin-RevId: 419776578

libraries/common/build.gradle

@@ -13,6 +13,16 @@
 // limitations under the License.
 apply from: "$gradle.ext.androidxMediaSettingsDir/common_library_config.gradle"
 
+// Make sure this project is evaluated after all other libraries. This ensures
+// the Gradle properties of each library are populated and we can automatically
+// check if a 'releaseArtifactId' exists.
+rootProject.allprojects.forEach {
+    if ((it.name.contains('lib-') || it.name.contains('test-'))
+            && !it.name.endsWith('-common')) {
+        evaluationDependsOn(modulePrefix + it.name)
+    }
+}
+// copybara:media3-only
 android {
     buildTypes {
         debug {
@@ -22,6 +32,15 @@ android {
 }
 
 dependencies {
+    constraints {
+        // List all released targets as constraints. This ensures they are all
+        // resolved to the same version.
+        rootProject.allprojects.forEach {
+            if (it.hasProperty('releaseArtifactId')) {
+                implementation project(modulePrefix + it.name)
+            }
+        }
+    }
     api ('com.google.guava:guava:' + guavaVersion) {
         // Exclude dependencies that are only used by Guava at compile time
         // (but declared as runtime deps) [internal b/168188131].