Add module for file picker for camera and gallery uploads (#2375)

* Use easy image for image picker

* Do not use harcoded mime type

* Use uploadable file for image uploads

* Add picker files in filepicker module

* Remove redundant checks for file

* Make usage of file extensions consistent

* Add javadocs

* Fix tests

* Enable image upload using bookmark activity

* Fix multiple uploads

* Fix external image uploads

* Fix chooser intents

* Fix image quality checks

* Segregate internal and external upload intents

* Invoke all error messages from one place

* Minor changes

* Fix tests

* Add image processing service tests

app/src/main/res/layout/activity_upload_bottom_card.xml

@@ -144,6 +144,8 @@
                 android:layout_height="wrap_content"
                 android:gravity="center_vertical"
                 android:textSize="@dimen/subtitle_text"
+                app:layout_constraintLeft_toLeftOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@id/bottom_card_title"
                 tools:text="1st image" />
 

app/src/main/res/values/strings.xml

@@ -463,4 +463,8 @@ Upload your first media by touching the camera or gallery icon above.</string>
 
   <string name="no_notification">You have no unread Notification</string>
   <string name="share_logs_using">Share logs using</string>
+  <string name="error_occurred_in_picking_images">Error occurred while picking images</string>
+  <string name="image_chooser_title">Choose Images to upload</string>
+
+  <string name="please_wait">Please wait…</string>
 </resources>

app/src/main/res/xml/provider_paths.xml

@@ -2,4 +2,5 @@
 <paths>
     <cache-path name="images" path="images/" />
     <external-path name="Download" path="./"/>
+    <root-path name="root" path="." />
 </paths>