Add PickerLauncher wrapper for media/file pickers. (#361)

* Add `PickerLauncher` wrapper for media/file pickers.

* Add FileProvider path, handle Camera picker and add NoOp implementation to fix tests.

* Move media pickers to their own module.

* Add missing media pickers

* Add feature flag and some extra tests

libraries/mediapickers/build.gradle.kts

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2022 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+plugins {
+    id("io.element.android-compose-library")
+}
+
+android {
+    namespace = "io.element.android.libraries.mediapickers"
+
+    dependencies {
+        implementation(projects.libraries.uiStrings)
+        implementation(projects.libraries.core)
+        implementation(libs.inject)
+
+        testImplementation(libs.test.junit)
+        testImplementation(libs.coroutines.test)
+        testImplementation(libs.test.truth)
+        testImplementation(libs.test.robolectric)
+    }
+}