Add consumer proguard rules for SQLCipher (#138)

* Add consumer proguard rules for SQLCipher

* Add changelog

* Explain why these rules are necessary

Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>

* Try to switch to a supported version of Compose Rules to avoid dependency issues

---------

Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>

libraries/encrypted-db/build.gradle.kts

@@ -20,6 +20,13 @@ plugins {
 
 android {
     namespace = "io.element.android.libraries.encrypteddb"
+
+    buildTypes {
+        release {
+            isMinifyEnabled = true
+            consumerProguardFiles("consumer-proguard-rules.pro")
+        }
+    }
 }
 
 dependencies {

libraries/encrypted-db/consumer-proguard-rules.pro

@@ -0,0 +1,25 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
+
+# Prevent ProGuard from renaming internal SQLCipher classes, which breaks the library.
+# From https://github.com/sqlcipher/android-database-sqlcipher#proguard
+-keep class net.sqlcipher.** { *; }