Prep for releasing version 0.9.0.

Author: ncalexan

CHANGELOG.md

@@ -1,3 +1,11 @@
+# 0.9.0
+
+- Support multiple Android Gradle Plugin versions.  Everything here is
+  based on https://github.com/gradle/android-cache-fix-gradle-plugin;
+  many thanks to that project for paving the way here.
+- Allow `module` and `targetDirectory` to be absolute paths.  This is
+  used in the test harness at the moment.
+
 # 0.8.7
 
 - Use per-platform API level for selecting toolchain.

README.md

@@ -20,7 +20,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath 'org.mozilla.rust-android-gradle:plugin:0.8.7'
+        classpath 'org.mozilla.rust-android-gradle:plugin:0.9.0'
     }
 }
 ```
@@ -33,7 +33,7 @@ buildscript {
 }
 
 plugins {
-    id "org.mozilla.rust-android-gradle.rust-android" version "0.8.7"
+    id "org.mozilla.rust-android-gradle.rust-android" version "0.9.0"
 }
 ```
 

build.gradle

@@ -1,7 +1,7 @@
 buildscript {
     ext.kotlin_version = '1.3.50'
     ext.agp_version = '4.0.1'
-    ext.plugin_version = '0.8.7'
+    ext.plugin_version = '0.9.0'
 
     repositories {
         google()