Android: Make JUCE work with latest AS 3.1.2

extras/Projucer/Source/ProjectSaving/jucer_ProjectExport_Android.h

@@ -144,7 +144,7 @@ public:
           androidKeyAliasPass                  (settings, Ids::androidKeyAliasPass,                  getUndoManager(), "android"),
           gradleVersion                        (settings, Ids::gradleVersion,                        getUndoManager(), "4.4"),
           gradleToolchain                      (settings, Ids::gradleToolchain,                      getUndoManager(), "clang"),
-          androidPluginVersion                 (settings, Ids::androidPluginVersion,                 getUndoManager(), "3.1.1"),
+          androidPluginVersion                 (settings, Ids::androidPluginVersion,                 getUndoManager(), "3.1.2"),
           buildToolsVersion                    (settings, Ids::buildToolsVersion,                    getUndoManager(), "27.0.3"),
           AndroidExecutable (findAndroidExecutable())
     {
@@ -315,7 +315,7 @@ protected:
     public:
         AndroidBuildConfiguration (Project& p, const ValueTree& settings, const ProjectExporter& e)
             : BuildConfiguration (p, settings, e),
-              androidArchitectures               (config, Ids::androidArchitectures,               getUndoManager(), isDebug() ? "armeabi x86" : ""),
+              androidArchitectures               (config, Ids::androidArchitectures,               getUndoManager(), isDebug() ? "armeabi-v7a x86" : ""),
               androidBuildConfigRemoteNotifsConfigFile (config, Ids::androidBuildConfigRemoteNotifsConfigFile, getUndoManager()),
               androidAdditionalXmlValueResources (config, Ids::androidAdditionalXmlValueResources, getUndoManager()),
               androidAdditionalDrawableResources (config, Ids::androidAdditionalDrawableResources, getUndoManager()),