Android: handle quotes in hard-coded namespace in build.gradle

Remove quotes from the namespace values if they're set
directly to build.gradle.

Fixes: QTBUG-132150
Change-Id: I7f5e132c2600bf5079850c99dc500b1dff7e6a96
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>
(cherry picked from commit 60f7821)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
(cherry picked from commit 440dcac)

src/tools/androiddeployqt/main.cpp

@@ -800,7 +800,14 @@ GradleBuildConfigs gradleBuildConfigs(const QString &path)
         } else if (trimmedLine.contains("compileSdkVersion androidCompileSdkVersion.toInteger()")) {
             configs.usesIntegerCompileSdkVersion = true;
         } else if (trimmedLine.contains("namespace")) {
-            configs.appNamespace = QString::fromUtf8(extractValue(trimmedLine));
+            const QString value = QString::fromUtf8(extractValue(trimmedLine));
+            const bool singleQuoted = value.startsWith(u'\'') && value.endsWith(u'\'');
+            const bool doubleQuoted = value.startsWith(u'\"') && value.endsWith(u'\"');
+
+            if (singleQuoted || doubleQuoted)
+                configs.appNamespace = value.mid(1, value.length() - 2);
+            else
+                configs.appNamespace = value;
         }
     }