Add Material Components library for XML theme support

Co-authored-by: kirklandsign <107070759+kirklandsign@users.noreply.github.com>

Author: Copilot

dl3/android/DeepLabV3Demo/app/build.gradle.kts

@@ -50,6 +50,7 @@ dependencies {
   implementation("androidx.compose.ui:ui-graphics")
   implementation("androidx.compose.ui:ui-tooling-preview")
   implementation("androidx.compose.material3:material3")
+  implementation("com.google.android.material:material:1.12.0")
   implementation("androidx.appcompat:appcompat:1.7.0")
   implementation("org.pytorch:executorch-android:1.0.0")
   testImplementation("junit:junit:4.13.2")