style(android): ktlint multiline-expression-wrapping on build.gradle.kts

Two assignments had a multi-line RHS sitting on the same line as the
`=`. ktlint's multiline-expression-wrapping rule requires the
multi-line expression to start on a new line.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

android/app/build.gradle.kts

@@ -50,7 +50,8 @@ android {
                 getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro",
             )
-            signingConfig = if (System.getenv("ANDROID_KEYSTORE_PATH").isNullOrEmpty()) {
+            signingConfig =
+                if (System.getenv("ANDROID_KEYSTORE_PATH").isNullOrEmpty()) {
                     signingConfigs.getByName("debug")
                 } else {
                     signingConfigs.getByName("release")
@@ -69,7 +70,8 @@ android {
     }
 
     packaging {
-        resources.excludes += setOf(
+        resources.excludes +=
+            setOf(
                 "/META-INF/{AL2.0,LGPL2.1}",
                 "META-INF/LICENSE.md",
                 "META-INF/LICENSE-notice.md",