Remove all remaining special case handling for SDKs < 23.

Now that minSdkVersion is 23, remove all special case handling
for SDKs less than that.

PiperOrigin-RevId: 789397071

Author: brettchabot

MODULE.bazel

@@ -52,7 +52,6 @@ maven.install(
         "androidx.concurrent:concurrent-futures-ktx:1.2.0",
         "androidx.core:core:1.6.0",
         "androidx.lifecycle:lifecycle-common:2.3.1",
-        "androidx.multidex:multidex:2.0.0",
         "androidx.tracing:tracing:1.1.0",
         "androidx.window:window-java:1.1.0",
         "androidx.window:window-core:1.1.0",

build_extensions/AndroidManifest_robolectric.xml

@@ -18,7 +18,7 @@
     package="androidx.test.robolectric" >
 
     <uses-sdk
-        android:minSdkVersion="21"
+        android:minSdkVersion="23"
         android:targetSdkVersion="33" />
 
 </manifest>

build_extensions/AndroidManifest_target_stub.xml

@@ -18,7 +18,7 @@
     package="${applicationId}" >
 
     <uses-sdk
-        android:minSdkVersion="21"
+        android:minSdkVersion="23"
         android:targetSdkVersion="34" />
 
 </manifest>

build_extensions/android_library_test.bzl

@@ -10,7 +10,6 @@ def axt_android_library_test(
         data = [],
         device_list = None,
         manifest = None,
-        multidex = None,
         deps = [],
         **kwargs):
     """Placeholder for future instrumentation test support.

build_extensions/mainDexClasses.rules

@@ -12,6 +12,8 @@
 
 **API Changes**
 
+* Update to minSdkVersion 23
+
 **Breaking API Changes**
 
 **Known Issues**

core/CHANGELOG.md

@@ -18,7 +18,7 @@
     package="androidx.test.core" >
 
     <uses-sdk
-        android:minSdkVersion="21"
+        android:minSdkVersion="23"
         android:targetSdkVersion="28" />
 
     <uses-permission android:name="android.permission.REORDER_TASKS" />

core/java/androidx/test/core/AndroidManifest.xml

@@ -18,7 +18,7 @@
     package="androidx.test.core.app" >
 
     <uses-sdk
-        android:minSdkVersion="21"
+        android:minSdkVersion="23"
         android:targetSdkVersion="34" />
 
     <application >

core/javatests/androidx/test/core/app/AndroidManifest_target.xml

@@ -18,7 +18,7 @@
     package="androidx.test.core.app.test" >
 
     <uses-sdk
-        android:minSdkVersion="21"
+        android:minSdkVersion="23"
         android:targetSdkVersion="34" />
 
     <application/>

core/javatests/androidx/test/core/app/AndroidManifest_test.xml

@@ -18,11 +18,9 @@ licenses(["notice"])
 android_binary(
     name = "ActivityScenarioTest_target",
     manifest = "AndroidManifest_target.xml",
-    multidex = "legacy",
     deps = [
         "//core/javatests/androidx/test/core/app/testing",
         "//core/javatests/androidx/test/core/app/testing:manifest",
-        "@maven//:androidx_multidex_multidex",
     ],
 )