Bump org.jetbrains.kotlin:kotlin-stdlib-jdk7 in /android (#198)

Bumps [org.jetbrains.kotlin:kotlin-stdlib-jdk7](https://github.com/JetBrains/kotlin) from 1.8.21 to 2.0.20.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.21...v2.0.20)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib-jdk7
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

android/code-samples/ARPlacingObjects/build.gradle

@@ -59,5 +59,5 @@ dependencies {
     }
     implementation 'com.google.protobuf.nano:protobuf-javanano:3.0.0-alpha-7'
     implementation "androidx.core:core-ktx:1.10.1"
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:2.0.0"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:2.0.20"
 }

android/memoryleaktest/build.gradle

@@ -67,5 +67,5 @@ dependencies {
     implementation 'com.google.ar:core:1.45.0'
     implementation "androidx.appcompat:appcompat:1.0.0"
     implementation "androidx.core:core-ktx:1.8.0"
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.8.21"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:2.0.20"
 }

android/releasetest/build.gradle

@@ -97,5 +97,5 @@ dependencies {
         transitive = false
     }
     implementation "androidx.core:core-ktx:1.8.0"
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.8.21"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:2.0.20"
 }