Remove duplicate ManifestProcessingException

`ManifestProcessingException` was duplicated somehow and can be removed to avoid confusion.

More context: bazelbuild#14427 (comment)

Closes bazelbuild#14613.

PiperOrigin-RevId: 427074145

src/tools/android/java/com/google/devtools/build/android/AndroidManifest.java

@@ -82,7 +82,7 @@ public static AndroidManifest parseFrom(Path manifest) {
 
       return new AndroidManifest(packageName, minSdk.isEmpty() ? "1" : minSdk);
     } catch (IOException | XMLStreamException e) {
-      throw new ManifestProcessingException(e);
+      throw new AndroidManifestProcessor.ManifestProcessingException(e);
     }
   }
 

src/tools/android/java/com/google/devtools/build/android/DensitySpecificManifestProcessor.java

@@ -105,7 +105,8 @@ public DensitySpecificManifestProcessor(List<String> densities, Path out) {
    * specified densities. If the manifest already contains a superset of the
    * &lt;compatible-screens&gt; section to be created, it is left unchanged.
    *
-   * @throws ManifestProcessingException when the manifest cannot be properly modified.
+   * @throws AndroidManifestProcessor.ManifestProcessingException when the manifest cannot be
+   *     properly modified.
    */
   public Path process(Path manifest) {
     if (densities.isEmpty()) {

src/tools/android/java/com/google/devtools/build/android/MergedAndroidData.java

@@ -52,8 +52,7 @@ public Path getManifest() {
 
   public DensityFilteredAndroidData filter(
       DensitySpecificResourceFilter resourceFilter,
-      DensitySpecificManifestProcessor manifestProcessor)
-      throws ManifestProcessingException {
+      DensitySpecificManifestProcessor manifestProcessor) {
     return new DensityFilteredAndroidData(
         resourceFilter.filter(resourceDir), assetDir, manifestProcessor.process(manifest));
   }