Revert min SDK version to 21, we'll trust the version checks in place

dependencies.gradle

@@ -1,5 +1,5 @@
 ext.versions = [
-        'minSdk'            : 26,
+        'minSdk'            : 21,
         'compileSdk'        : 35,
         'targetSdk'         : 35,
         'sourceCompat'      : JavaVersion.VERSION_21,

vector-app/src/main/AndroidManifest.xml

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-sdk tools:overrideLibrary="com.sayem.keepawake,com.splashview,com.facebook.react,com.facebook.hermes" />
+
     <application
         android:name="im.vector.app.VectorApplication"
         android:allowBackup="false"