Update supported OpenJDK and Android versions (#1210)
From android/build.gradle, androidMinSdkVersion is set to 19.
build.gradle references OpenJDK 8 as the minimum version.
diff --git a/README.md b/README.md
index c63c5ed..3a7a824 100644
--- a/README.md
+++ b/README.md
@@ -28,8 +28,8 @@
Download
-------------
-Conscrypt supports **Java 7** or later on OpenJDK and **Gingerbread (API Level
-9)** or later on Android. The build artifacts are available on Maven Central.
+Conscrypt supports **Java 8** or later on OpenJDK and **KitKat (API Level
+19)** or later on Android. The build artifacts are available on Maven Central.
### Download JARs
You can download
