Delete spurious file.

library/.project~

-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>ExoPlayerLib</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>com.android.ide.eclipse.adt.ApkBuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-	</natures>
-	<filteredResources>
-		<filter>
-			<id>1363908161147</id>
-			<name></name>
-			<type>22</type>
-			<matcher>
-				<id>org.eclipse.ui.ide.multiFilter</id>
-				<arguments>1.0-name-matches-false-false-BUILD</arguments>
-			</matcher>
-		</filter>
-		<filter>
-			<id>1363908161148</id>
-			<name></name>
-			<type>10</type>
-			<matcher>
-				<id>org.eclipse.ui.ide.multiFilter</id>
-				<arguments>1.0-name-matches-true-false-build</arguments>
-			</matcher>
-		</filter>
-	</filteredResources>
-</projectDescription>