Merge branch '2-downgradeSdk1.0.8.6_2019-04-29_androidx_64bit' into 'master'

Resolve "Downgrade to 1.0.8.6 androidx 64bit"

Closes #2

See merge request kdanandroid/pdf/pdfreaderviewapp!3

PDFReaderReaderModule

@@ -1 +1 @@
-Subproject commit 9d1d80697c9673a652e0f20c8c3449bc41bf5960
+Subproject commit 8768366a28b3ee964f5e918c294321f381291858

app/build.gradle

@@ -51,6 +51,10 @@ android {
             }
         }
     }
+
+    configurations.all {
+        resolutionStrategy.force "androidx.lifecycle:lifecycle-extensions:2.0.0"
+    }
 }
 
 dependencies {