revert(android): Upgrade androidx.core:core-ktx, restore support for …

…AGP7 (#1590)

# Description

Revert the update of androidx.core:core-ktx version from 1.9.0 to 1.10.1 in #1577. The update was originally proposed by the IDE, but this requires AGP 8 to be used.

Closes #1588

packages/audioplayers_android/android/build.gradle

@@ -68,7 +68,7 @@ allprojects {
 }
 
 dependencies {
-    implementation "androidx.core:core-ktx:1.10.1"
+    implementation "androidx.core:core-ktx:1.9.0" // Do not pump unless dropping support for AGP7
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"