android: Update to AboutLibraries 8.5.0

This includes my submission allowing licenses to be
included explicitly in the gradle files.

build.gradle

@@ -3,7 +3,7 @@
 
 buildscript {
     ext.kotlin_version = '1.4.10'
-    ext.latestAboutLibsRelease = "8.4.3"
+    ext.latestAboutLibsRelease = "8.5.0"
     repositories {
         google()
         jcenter()

doc/changes/misc_features/mr.592.md

+---
+- mr.595
+- issue.105
+---
 Additional improvements to the Android port.

src/xrt/targets/openxr_android/build.gradle

@@ -120,6 +120,13 @@ android {
 
 aboutLibraries {
     configPath = "${projectDir}/config"
+
+    // Full license text for license IDs mentioned here
+    // will be included, even if no detected dependency uses them.
+    additionalLicenses {
+        mit
+        mpl_2_0
+    }
 }
 
 dependencies {

src/xrt/targets/openxr_android/src/main/res/values/library_eigen_strings.xml

@@ -6,7 +6,7 @@
     -->
     <string name="define_plu_eigen"></string>
     <string name="library_eigen_author">Benoît Jacob, Gaël Guennebaud</string>
-    <string name="library_eigen_libraryWebsite">http://http://eigen.tuxfamily.org</string>
+    <string name="library_eigen_libraryWebsite">http://eigen.tuxfamily.org</string>
     <string name="library_eigen_libraryName">Eigen</string>
     <string name="library_eigen_libraryDescription">Eigen is a C++ template library for linear algebra: matrices, vectors, numerical solvers, and related algorithms.</string>
     <string name="library_eigen_licenseIds">mpl_2_0</string>