Fix chrome_java FindBugs errors found when switching to n sdk.

chrome/test/android/javatests/src/org/chromium/chrome/test/ChromeActivityTestCaseBase.java

Index: chrome/test/android/javatests/src/org/chromium/chrome/test/ChromeActivityTestCaseBase.java
diff --git a/chrome/test/android/javatests/src/org/chromium/chrome/test/ChromeActivityTestCaseBase.java b/chrome/test/android/javatests/src/org/chromium/chrome/test/ChromeActivityTestCaseBase.java
index e942aca7fefa2f32965747cbb2157ba282a4ecb1..16bc89d7c13bfac17adc260c8da5b82ad5eb60a6 100644
--- a/chrome/test/android/javatests/src/org/chromium/chrome/test/ChromeActivityTestCaseBase.java
+++ b/chrome/test/android/javatests/src/org/chromium/chrome/test/ChromeActivityTestCaseBase.java
@@ -483,7 +483,7 @@ public abstract class ChromeActivityTestCaseBase<T extends ChromeActivity>
                 intent.putExtra(ChromeTabbedActivity.INTENT_EXTRA_TEST_RENDER_PROCESS_LIMIT,
                         limit.value());
             }
-        } catch (Exception ex) {
+        } catch (NoSuchMethodException ex) {
             // Ignore exception.
         }
         return intent;
@@ -856,7 +856,7 @@ public abstract class ChromeActivityTestCaseBase<T extends ChromeActivity>
 
                 System.out.println(perfTagAnalysisString);
             }
-        } catch (Exception ex) {
+        } catch (NoSuchMethodException ex) {
             // Eat exception here.
         }
     }