Downgrade the version to 1.3.17 to prepare a corrective release.

matrix-sdk-android/build.gradle

@@ -31,7 +31,7 @@ android {
         // that the app's state is completely cleared between tests.
         testInstrumentationRunnerArguments clearPackageData: 'true'
 
-        buildConfigField "String", "SDK_VERSION", "\"1.3.18\""
+        buildConfigField "String", "SDK_VERSION", "\"1.3.17\""
 
         buildConfigField "String", "GIT_SDK_REVISION", "\"${gitRevision()}\""
         resValue "string", "git_sdk_revision", "\"${gitRevision()}\""

vector/build.gradle

@@ -18,7 +18,7 @@ ext.versionMinor = 3
 // Note: even values are reserved for regular release, odd values for hotfix release.
 // When creating a hotfix, you should decrease the value, since the current value
 // is the value for the next regular release.
-ext.versionPatch = 18
+ext.versionPatch = 17
 
 static def getGitTimestamp() {
     def cmd = 'git show -s --format=%ct'