Set jvm flags and kotlin dependencies (#4177)

Summary:
Pull Request resolved: https://github.com/facebook/flipper/pull/4177

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Reviewed By: aigoncharov

Differential Revision: D40074397

fbshipit-source-id: e88039c56876ca21657db4a6d872c46294a4f8c3

android/plugins/retrofit2-protobuf/build.gradle

@@ -20,7 +20,7 @@ android {
     }
 
     dependencies {
-        implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$KOTLIN_VERSION"
+        implementation "org.jetbrains.kotlin:kotlin-stdlib:$KOTLIN_VERSION"
         implementation project(':android')
         implementation project(':network-plugin')
         implementation deps.protobuf