Enable kotlin explicitApi for android projects

Previously, we had explicitApi disable for android projects due to
https://youtrack.jetbrains.com/issue/KT-37652 however that was fixed
in Kotlin 1.9.0

Explicitly disabling it for all the Android projects that are currently not
compliant

Test: ./gradlew createArchive
Change-Id: I9345d0448340df6fe13d1b203677a024da8bfb89
diff --git a/window/window-rxjava2/build.gradle b/window/window-rxjava2/build.gradle
index db3f938..dd849e3 100644
--- a/window/window-rxjava2/build.gradle
+++ b/window/window-rxjava2/build.gradle
@@ -61,4 +61,5 @@
     inceptionYear = "2021"
     description = "WindowManager RxJava 2"
     metalavaK2UastEnabled = true
+    legacyDisableKotlinStrictApiMode = true
 }