Cleanup unthrown exceptions.

--
PiperOrigin-RevId: 144360540
MOS_MIGRATED_REVID=144360540

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

diff --git a/src/tools/android/java/com/google/devtools/build/android/AndroidDataWriter.java b/src/tools/android/java/com/google/devtools/build/android/AndroidDataWriter.java
index 36374e4..f035758 100644
--- a/src/tools/android/java/com/google/devtools/build/android/AndroidDataWriter.java
+++ b/src/tools/android/java/com/google/devtools/build/android/AndroidDataWriter.java
@@ -215,7 +215,7 @@
 
   @Override
   public void copyResource(final Path source, final String relativeDestinationPath)
-      throws IOException, MergingException {
+      throws MergingException {
     final Path destinationPath = resourceDirectory.resolve(relativeDestinationPath);
     if (!source.getParent().getFileName().toString().startsWith(SdkConstants.FD_RES_RAW)
         && source.getFileName().toString().endsWith(SdkConstants.DOT_PNG)) {

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

diff --git a/src/tools/android/java/com/google/devtools/build/android/AndroidDataWritingVisitor.java b/src/tools/android/java/com/google/devtools/build/android/AndroidDataWritingVisitor.java
index 8d1f547..4dfe1a4 100644
--- a/src/tools/android/java/com/google/devtools/build/android/AndroidDataWritingVisitor.java
+++ b/src/tools/android/java/com/google/devtools/build/android/AndroidDataWritingVisitor.java
@@ -45,11 +45,9 @@
    *
    * @param source The source file to copy.
    * @param relativeDestinationPath The relative destination path to write the resource to.
-   * @throws IOException if there are errors during copying.
-   * @throws MergingException for errors during png crunching.
+   * @throws MergingException for errors during copying.
    */
-  void copyResource(Path source, String relativeDestinationPath)
-      throws IOException, MergingException;
+  void copyResource(Path source, String relativeDestinationPath) throws MergingException;
 
   /**
    * Adds the namespaces associated with a {@link FullyQualifiedName}.

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

diff --git a/src/tools/android/java/com/google/devtools/build/android/DataResource.java b/src/tools/android/java/com/google/devtools/build/android/DataResource.java
index b177b9e..9ed3658 100644
--- a/src/tools/android/java/com/google/devtools/build/android/DataResource.java
+++ b/src/tools/android/java/com/google/devtools/build/android/DataResource.java
@@ -14,17 +14,14 @@
 package com.google.devtools.build.android;
 
 import com.android.ide.common.res2.MergingException;
-import java.io.IOException;
 
 /**
  * Represents an Android Resource parsed from an xml or binary file.
  */
 public interface DataResource extends DataValue {
-  /**
-   * Write as a resource using the supplied {@link AndroidDataWritingVisitor}.
-   */
+  /** Write as a resource using the supplied {@link AndroidDataWritingVisitor}. */
   void writeResource(FullyQualifiedName key, AndroidDataWritingVisitor mergedDataWriter)
-      throws IOException, MergingException;
+      throws MergingException;
 
   /**
    * Combines these resource together and returns a single resource.

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

diff --git a/src/tools/android/java/com/google/devtools/build/android/DataValueFile.java b/src/tools/android/java/com/google/devtools/build/android/DataValueFile.java
index b24d127..e6ed99a 100644
--- a/src/tools/android/java/com/google/devtools/build/android/DataValueFile.java
+++ b/src/tools/android/java/com/google/devtools/build/android/DataValueFile.java
@@ -43,9 +43,7 @@
     return new DataValueFile(source);
   }
 
-  /**
-   * Creates a {@link DataValueFile} from a {@link SerializeFormat.DataValue}.
-   */
+  /** Creates a {@link DataValueFile} from a {@link SerializeFormat#DataValue}. */
   public static DataValueFile from(Path source) {
     return of(source);
   }
@@ -82,7 +80,7 @@
 
   @Override
   public void writeResource(FullyQualifiedName key, AndroidDataWritingVisitor mergedDataWriter)
-      throws IOException, MergingException {
+      throws MergingException {
     mergedDataWriter.copyResource(source.getPath(), key.toPathString(source.getPath()));
   }